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Finding the Fourth Proportional to 10,916.62, 15,053 and 7,373.68

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Solution

The fourth proportional to 10,916.62, 15,053 and 7,373.68 is: 10,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.62 : 15,053 = 7,373.68 : x
  2. Step 2: Convert to fraction form
    10,916.62/15,053 = 7,373.68/x
  3. Step 3: Cross multiply
    10,916.62x = 15,053 × 7,373.68
  4. Step 4: Simplify right side
    10,916.62x = 110,996,005.04
  5. Step 5: Solve for x
    x = 110,996,005.04/10,916.62
  6. Step 6: Final answer
    x = 10,167.62

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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.