Home / 11,403.18-17,101.53-4,382.71

Finding the Fourth Proportional to 11,403.18, 17,101.53 and 4,382.71

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Solution

The fourth proportional to 11,403.18, 17,101.53 and 4,382.71 is: 6,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.18 : 17,101.53 = 4,382.71 : x
  2. Step 2: Convert to fraction form
    11,403.18/17,101.53 = 4,382.71/x
  3. Step 3: Cross multiply
    11,403.18x = 17,101.53 × 4,382.71
  4. Step 4: Simplify right side
    11,403.18x = 74,951,003.79
  5. Step 5: Solve for x
    x = 74,951,003.79/11,403.18
  6. Step 6: Final answer
    x = 6,572.82

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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.