Home / 11,158.88-15,398.66-6,123.02

Finding the Fourth Proportional to 11,158.88, 15,398.66 and 6,123.02

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Solution

The fourth proportional to 11,158.88, 15,398.66 and 6,123.02 is: 8,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.88 : 15,398.66 = 6,123.02 : x
  2. Step 2: Convert to fraction form
    11,158.88/15,398.66 = 6,123.02/x
  3. Step 3: Cross multiply
    11,158.88x = 15,398.66 × 6,123.02
  4. Step 4: Simplify right side
    11,158.88x = 94,286,195.54
  5. Step 5: Solve for x
    x = 94,286,195.54/11,158.88
  6. Step 6: Final answer
    x = 8,449.44

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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.