Home / 10,395.38-15,610.36-10,314.74

Finding the Fourth Proportional to 10,395.38, 15,610.36 and 10,314.74

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Solution

The fourth proportional to 10,395.38, 15,610.36 and 10,314.74 is: 15,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.38 : 15,610.36 = 10,314.74 : x
  2. Step 2: Convert to fraction form
    10,395.38/15,610.36 = 10,314.74/x
  3. Step 3: Cross multiply
    10,395.38x = 15,610.36 × 10,314.74
  4. Step 4: Simplify right side
    10,395.38x = 161,016,804.71
  5. Step 5: Solve for x
    x = 161,016,804.71/10,395.38
  6. Step 6: Final answer
    x = 15,489.27

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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.