Home / 11,776.31-16,251.15-6,740.43

Finding the Fourth Proportional to 11,776.31, 16,251.15 and 6,740.43

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Solution

The fourth proportional to 11,776.31, 16,251.15 and 6,740.43 is: 9,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.31 : 16,251.15 = 6,740.43 : x
  2. Step 2: Convert to fraction form
    11,776.31/16,251.15 = 6,740.43/x
  3. Step 3: Cross multiply
    11,776.31x = 16,251.15 × 6,740.43
  4. Step 4: Simplify right side
    11,776.31x = 109,539,738.99
  5. Step 5: Solve for x
    x = 109,539,738.99/11,776.31
  6. Step 6: Final answer
    x = 9,301.70

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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.