Home / 10,317.28-15,480.24-9,500.32

Finding the Fourth Proportional to 10,317.28, 15,480.24 and 9,500.32

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Solution

The fourth proportional to 10,317.28, 15,480.24 and 9,500.32 is: 14,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.28 : 15,480.24 = 9,500.32 : x
  2. Step 2: Convert to fraction form
    10,317.28/15,480.24 = 9,500.32/x
  3. Step 3: Cross multiply
    10,317.28x = 15,480.24 × 9,500.32
  4. Step 4: Simplify right side
    10,317.28x = 147,067,233.68
  5. Step 5: Solve for x
    x = 147,067,233.68/10,317.28
  6. Step 6: Final answer
    x = 14,254.46

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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.