Home / 11,177.52-15,425.64-6,463.44

Finding the Fourth Proportional to 11,177.52, 15,425.64 and 6,463.44

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Solution

The fourth proportional to 11,177.52, 15,425.64 and 6,463.44 is: 8,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.52 : 15,425.64 = 6,463.44 : x
  2. Step 2: Convert to fraction form
    11,177.52/15,425.64 = 6,463.44/x
  3. Step 3: Cross multiply
    11,177.52x = 15,425.64 × 6,463.44
  4. Step 4: Simplify right side
    11,177.52x = 99,702,698.60
  5. Step 5: Solve for x
    x = 99,702,698.60/11,177.52
  6. Step 6: Final answer
    x = 8,919.93

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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.