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Finding the Fourth Proportional to 10,841.80, 16,256.10 and 4,260.10

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Solution

The fourth proportional to 10,841.80, 16,256.10 and 4,260.10 is: 6,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,841.80 : 16,256.10 = 4,260.10 : x
  2. Step 2: Convert to fraction form
    10,841.80/16,256.10 = 4,260.10/x
  3. Step 3: Cross multiply
    10,841.80x = 16,256.10 × 4,260.10
  4. Step 4: Simplify right side
    10,841.80x = 69,252,611.61
  5. Step 5: Solve for x
    x = 69,252,611.61/10,841.80
  6. Step 6: Final answer
    x = 6,387.56

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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.