Home / 11,177.38-15,424.74-6,141.42

Finding the Fourth Proportional to 11,177.38, 15,424.74 and 6,141.42

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Solution

The fourth proportional to 11,177.38, 15,424.74 and 6,141.42 is: 8,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.38 : 15,424.74 = 6,141.42 : x
  2. Step 2: Convert to fraction form
    11,177.38/15,424.74 = 6,141.42/x
  3. Step 3: Cross multiply
    11,177.38x = 15,424.74 × 6,141.42
  4. Step 4: Simplify right side
    11,177.38x = 94,729,806.73
  5. Step 5: Solve for x
    x = 94,729,806.73/11,177.38
  6. Step 6: Final answer
    x = 8,475.14

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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.