Home / 9,150.76-12,628.14-4,959.04

Finding the Fourth Proportional to 9,150.76, 12,628.14 and 4,959.04

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Solution

The fourth proportional to 9,150.76, 12,628.14 and 4,959.04 is: 6,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.76 : 12,628.14 = 4,959.04 : x
  2. Step 2: Convert to fraction form
    9,150.76/12,628.14 = 4,959.04/x
  3. Step 3: Cross multiply
    9,150.76x = 12,628.14 × 4,959.04
  4. Step 4: Simplify right side
    9,150.76x = 62,623,451.39
  5. Step 5: Solve for x
    x = 62,623,451.39/9,150.76
  6. Step 6: Final answer
    x = 6,843.52

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Half scale
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Double scale
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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.