Home / 10,380.32-15,567.12-3,358.83

Finding the Fourth Proportional to 10,380.32, 15,567.12 and 3,358.83

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Solution

The fourth proportional to 10,380.32, 15,567.12 and 3,358.83 is: 5,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.32 : 15,567.12 = 3,358.83 : x
  2. Step 2: Convert to fraction form
    10,380.32/15,567.12 = 3,358.83/x
  3. Step 3: Cross multiply
    10,380.32x = 15,567.12 × 3,358.83
  4. Step 4: Simplify right side
    10,380.32x = 52,287,368.05
  5. Step 5: Solve for x
    x = 52,287,368.05/10,380.32
  6. Step 6: Final answer
    x = 5,037.16

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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.