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Finding the Fourth Proportional to 10,874.45, 15,006.53 and 6,337.98

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Solution

The fourth proportional to 10,874.45, 15,006.53 and 6,337.98 is: 8,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.45 : 15,006.53 = 6,337.98 : x
  2. Step 2: Convert to fraction form
    10,874.45/15,006.53 = 6,337.98/x
  3. Step 3: Cross multiply
    10,874.45x = 15,006.53 × 6,337.98
  4. Step 4: Simplify right side
    10,874.45x = 95,111,102.85
  5. Step 5: Solve for x
    x = 95,111,102.85/10,874.45
  6. Step 6: Final answer
    x = 8,746.29

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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.