Home / 9,160.17-12,641.03-5,181.20

Finding the Fourth Proportional to 9,160.17, 12,641.03 and 5,181.20

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Solution

The fourth proportional to 9,160.17, 12,641.03 and 5,181.20 is: 7,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.17 : 12,641.03 = 5,181.20 : x
  2. Step 2: Convert to fraction form
    9,160.17/12,641.03 = 5,181.20/x
  3. Step 3: Cross multiply
    9,160.17x = 12,641.03 × 5,181.20
  4. Step 4: Simplify right side
    9,160.17x = 65,495,654.38
  5. Step 5: Solve for x
    x = 65,495,654.38/9,160.17
  6. Step 6: Final answer
    x = 7,150.05

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Half scale
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Double scale
Find fourth proportional to 9,161.17, 12,642.41 and 5,182.20
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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.