Home / 8,160.38-11,257.52-4,801.05

Finding the Fourth Proportional to 8,160.38, 11,257.52 and 4,801.05

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Solution

The fourth proportional to 8,160.38, 11,257.52 and 4,801.05 is: 6,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.38 : 11,257.52 = 4,801.05 : x
  2. Step 2: Convert to fraction form
    8,160.38/11,257.52 = 4,801.05/x
  3. Step 3: Cross multiply
    8,160.38x = 11,257.52 × 4,801.05
  4. Step 4: Simplify right side
    8,160.38x = 54,047,892.39
  5. Step 5: Solve for x
    x = 54,047,892.39/8,160.38
  6. Step 6: Final answer
    x = 6,623.21

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Find fourth proportional to 4,080.19, 5,628.76 and 2,400.53
Half scale
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Double scale
Find fourth proportional to 8,161.38, 11,258.89 and 4,802.05
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.