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Finding the Fourth Proportional to 7,124.73, 9,838.17 and 5,353.26

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Solution

The fourth proportional to 7,124.73, 9,838.17 and 5,353.26 is: 7,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.73 : 9,838.17 = 5,353.26 : x
  2. Step 2: Convert to fraction form
    7,124.73/9,838.17 = 5,353.26/x
  3. Step 3: Cross multiply
    7,124.73x = 9,838.17 × 5,353.26
  4. Step 4: Simplify right side
    7,124.73x = 52,666,281.93
  5. Step 5: Solve for x
    x = 52,666,281.93/7,124.73
  6. Step 6: Final answer
    x = 7,392.04

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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.