Home / 11,177.91-15,424.46-6,700.83

Finding the Fourth Proportional to 11,177.91, 15,424.46 and 6,700.83

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Solution

The fourth proportional to 11,177.91, 15,424.46 and 6,700.83 is: 9,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.91 : 15,424.46 = 6,700.83 : x
  2. Step 2: Convert to fraction form
    11,177.91/15,424.46 = 6,700.83/x
  3. Step 3: Cross multiply
    11,177.91x = 15,424.46 × 6,700.83
  4. Step 4: Simplify right side
    11,177.91x = 103,356,650.80
  5. Step 5: Solve for x
    x = 103,356,650.80/11,177.91
  6. Step 6: Final answer
    x = 9,246.51

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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.