Home / 10,902.29-15,044.54-6,425.01

Finding the Fourth Proportional to 10,902.29, 15,044.54 and 6,425.01

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Solution

The fourth proportional to 10,902.29, 15,044.54 and 6,425.01 is: 8,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.29 : 15,044.54 = 6,425.01 : x
  2. Step 2: Convert to fraction form
    10,902.29/15,044.54 = 6,425.01/x
  3. Step 3: Cross multiply
    10,902.29x = 15,044.54 × 6,425.01
  4. Step 4: Simplify right side
    10,902.29x = 96,661,287.82
  5. Step 5: Solve for x
    x = 96,661,287.82/10,902.29
  6. Step 6: Final answer
    x = 8,866.15

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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.