Home / 10,168.20-14,000.94-8,902.17

Finding the Fourth Proportional to 10,168.20, 14,000.94 and 8,902.17

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Solution

The fourth proportional to 10,168.20, 14,000.94 and 8,902.17 is: 12,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.20 : 14,000.94 = 8,902.17 : x
  2. Step 2: Convert to fraction form
    10,168.20/14,000.94 = 8,902.17/x
  3. Step 3: Cross multiply
    10,168.20x = 14,000.94 × 8,902.17
  4. Step 4: Simplify right side
    10,168.20x = 124,638,748.04
  5. Step 5: Solve for x
    x = 124,638,748.04/10,168.20
  6. Step 6: Final answer
    x = 12,257.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.