Home / 8,251.77-11,387.28-4,666.66

Finding the Fourth Proportional to 8,251.77, 11,387.28 and 4,666.66

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Solution

The fourth proportional to 8,251.77, 11,387.28 and 4,666.66 is: 6,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.77 : 11,387.28 = 4,666.66 : x
  2. Step 2: Convert to fraction form
    8,251.77/11,387.28 = 4,666.66/x
  3. Step 3: Cross multiply
    8,251.77x = 11,387.28 × 4,666.66
  4. Step 4: Simplify right side
    8,251.77x = 53,140,564.08
  5. Step 5: Solve for x
    x = 53,140,564.08/8,251.77
  6. Step 6: Final answer
    x = 6,439.90

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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.