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Finding the Fourth Proportional to 11,553.84, 15,948.42 and 6,838.14

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Solution

The fourth proportional to 11,553.84, 15,948.42 and 6,838.14 is: 9,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.84 : 15,948.42 = 6,838.14 : x
  2. Step 2: Convert to fraction form
    11,553.84/15,948.42 = 6,838.14/x
  3. Step 3: Cross multiply
    11,553.84x = 15,948.42 × 6,838.14
  4. Step 4: Simplify right side
    11,553.84x = 109,057,528.74
  5. Step 5: Solve for x
    x = 109,057,528.74/11,553.84
  6. Step 6: Final answer
    x = 9,439.07

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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.