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Finding the Fourth Proportional to 11,263.32, 16,894.98 and 5,103

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Solution

The fourth proportional to 11,263.32, 16,894.98 and 5,103 is: 7,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.32 : 16,894.98 = 5,103 : x
  2. Step 2: Convert to fraction form
    11,263.32/16,894.98 = 5,103/x
  3. Step 3: Cross multiply
    11,263.32x = 16,894.98 × 5,103
  4. Step 4: Simplify right side
    11,263.32x = 86,215,082.94
  5. Step 5: Solve for x
    x = 86,215,082.94/11,263.32
  6. Step 6: Final answer
    x = 7,654.50

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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.