Home / 10,140.28-15,217.20-3,566.44

Finding the Fourth Proportional to 10,140.28, 15,217.20 and 3,566.44

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Solution

The fourth proportional to 10,140.28, 15,217.20 and 3,566.44 is: 5,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.28 : 15,217.20 = 3,566.44 : x
  2. Step 2: Convert to fraction form
    10,140.28/15,217.20 = 3,566.44/x
  3. Step 3: Cross multiply
    10,140.28x = 15,217.20 × 3,566.44
  4. Step 4: Simplify right side
    10,140.28x = 54,271,230.77
  5. Step 5: Solve for x
    x = 54,271,230.77/10,140.28
  6. Step 6: Final answer
    x = 5,352.04

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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.