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Finding the Fourth Proportional to 10,874.14, 14,972.94 and 9,522.01

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Solution

The fourth proportional to 10,874.14, 14,972.94 and 9,522.01 is: 13,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.14 : 14,972.94 = 9,522.01 : x
  2. Step 2: Convert to fraction form
    10,874.14/14,972.94 = 9,522.01/x
  3. Step 3: Cross multiply
    10,874.14x = 14,972.94 × 9,522.01
  4. Step 4: Simplify right side
    10,874.14x = 142,572,484.41
  5. Step 5: Solve for x
    x = 142,572,484.41/10,874.14
  6. Step 6: Final answer
    x = 13,111.15

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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.