Home / 10,269.12-15,402.50-2,874.17

Finding the Fourth Proportional to 10,269.12, 15,402.50 and 2,874.17

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Solution

The fourth proportional to 10,269.12, 15,402.50 and 2,874.17 is: 4,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.12 : 15,402.50 = 2,874.17 : x
  2. Step 2: Convert to fraction form
    10,269.12/15,402.50 = 2,874.17/x
  3. Step 3: Cross multiply
    10,269.12x = 15,402.50 × 2,874.17
  4. Step 4: Simplify right side
    10,269.12x = 44,269,312.04
  5. Step 5: Solve for x
    x = 44,269,312.04/10,269.12
  6. Step 6: Final answer
    x = 4,310.92

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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.