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Finding the Fourth Proportional to 10,095.15, 15,142.73 and 9,366.15

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Solution

The fourth proportional to 10,095.15, 15,142.73 and 9,366.15 is: 14,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.15 : 15,142.73 = 9,366.15 : x
  2. Step 2: Convert to fraction form
    10,095.15/15,142.73 = 9,366.15/x
  3. Step 3: Cross multiply
    10,095.15x = 15,142.73 × 9,366.15
  4. Step 4: Simplify right side
    10,095.15x = 141,829,033.76
  5. Step 5: Solve for x
    x = 141,829,033.76/10,095.15
  6. Step 6: Final answer
    x = 14,049.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.