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Finding the Fourth Proportional to 10,895.57, 15,043.10 and 8,373

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Solution

The fourth proportional to 10,895.57, 15,043.10 and 8,373 is: 11,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.57 : 15,043.10 = 8,373 : x
  2. Step 2: Convert to fraction form
    10,895.57/15,043.10 = 8,373/x
  3. Step 3: Cross multiply
    10,895.57x = 15,043.10 × 8,373
  4. Step 4: Simplify right side
    10,895.57x = 125,955,834.44
  5. Step 5: Solve for x
    x = 125,955,834.44/10,895.57
  6. Step 6: Final answer
    x = 11,560.28

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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.