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Finding the Fourth Proportional to 11,336.15, 16,921.03 and 10,501.17

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Solution

The fourth proportional to 11,336.15, 16,921.03 and 10,501.17 is: 15,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.15 : 16,921.03 = 10,501.17 : x
  2. Step 2: Convert to fraction form
    11,336.15/16,921.03 = 10,501.17/x
  3. Step 3: Cross multiply
    11,336.15x = 16,921.03 × 10,501.17
  4. Step 4: Simplify right side
    11,336.15x = 177,690,560.64
  5. Step 5: Solve for x
    x = 177,690,560.64/11,336.15
  6. Step 6: Final answer
    x = 15,674.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.