Home / 10,099.38-15,125.56-9,749.06

Finding the Fourth Proportional to 10,099.38, 15,125.56 and 9,749.06

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Solution

The fourth proportional to 10,099.38, 15,125.56 and 9,749.06 is: 14,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.38 : 15,125.56 = 9,749.06 : x
  2. Step 2: Convert to fraction form
    10,099.38/15,125.56 = 9,749.06/x
  3. Step 3: Cross multiply
    10,099.38x = 15,125.56 × 9,749.06
  4. Step 4: Simplify right side
    10,099.38x = 147,459,891.97
  5. Step 5: Solve for x
    x = 147,459,891.97/10,099.38
  6. Step 6: Final answer
    x = 14,600.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.