Home / 11,177.25-15,424.88-6,141.43

Finding the Fourth Proportional to 11,177.25, 15,424.88 and 6,141.43

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Solution

The fourth proportional to 11,177.25, 15,424.88 and 6,141.43 is: 8,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.25 : 15,424.88 = 6,141.43 : x
  2. Step 2: Convert to fraction form
    11,177.25/15,424.88 = 6,141.43/x
  3. Step 3: Cross multiply
    11,177.25x = 15,424.88 × 6,141.43
  4. Step 4: Simplify right side
    11,177.25x = 94,730,820.78
  5. Step 5: Solve for x
    x = 94,730,820.78/11,177.25
  6. Step 6: Final answer
    x = 8,475.32

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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.