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Finding the Fourth Proportional to 10,841.76, 16,239.96 and 6,926.28

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Solution

The fourth proportional to 10,841.76, 16,239.96 and 6,926.28 is: 10,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,841.76 : 16,239.96 = 6,926.28 : x
  2. Step 2: Convert to fraction form
    10,841.76/16,239.96 = 6,926.28/x
  3. Step 3: Cross multiply
    10,841.76x = 16,239.96 × 6,926.28
  4. Step 4: Simplify right side
    10,841.76x = 112,482,510.15
  5. Step 5: Solve for x
    x = 112,482,510.15/10,841.76
  6. Step 6: Final answer
    x = 10,374.93

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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.