Home / 10,358.20-15,539.33-4,117.15

Finding the Fourth Proportional to 10,358.20, 15,539.33 and 4,117.15

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Solution

The fourth proportional to 10,358.20, 15,539.33 and 4,117.15 is: 6,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.20 : 15,539.33 = 4,117.15 : x
  2. Step 2: Convert to fraction form
    10,358.20/15,539.33 = 4,117.15/x
  3. Step 3: Cross multiply
    10,358.20x = 15,539.33 × 4,117.15
  4. Step 4: Simplify right side
    10,358.20x = 63,977,731.92
  5. Step 5: Solve for x
    x = 63,977,731.92/10,358.20
  6. Step 6: Final answer
    x = 6,176.53

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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.