Home / 12,177.48-18,261.72-5,935.68

Finding the Fourth Proportional to 12,177.48, 18,261.72 and 5,935.68

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Solution

The fourth proportional to 12,177.48, 18,261.72 and 5,935.68 is: 8,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.48 : 18,261.72 = 5,935.68 : x
  2. Step 2: Convert to fraction form
    12,177.48/18,261.72 = 5,935.68/x
  3. Step 3: Cross multiply
    12,177.48x = 18,261.72 × 5,935.68
  4. Step 4: Simplify right side
    12,177.48x = 108,395,726.17
  5. Step 5: Solve for x
    x = 108,395,726.17/12,177.48
  6. Step 6: Final answer
    x = 8,901.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.