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Finding the Fourth Proportional to 10,866.84, 14,995.44 and 6,151.02

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Solution

The fourth proportional to 10,866.84, 14,995.44 and 6,151.02 is: 8,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.84 : 14,995.44 = 6,151.02 : x
  2. Step 2: Convert to fraction form
    10,866.84/14,995.44 = 6,151.02/x
  3. Step 3: Cross multiply
    10,866.84x = 14,995.44 × 6,151.02
  4. Step 4: Simplify right side
    10,866.84x = 92,237,251.35
  5. Step 5: Solve for x
    x = 92,237,251.35/10,866.84
  6. Step 6: Final answer
    x = 8,487.96

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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.