Home / 9,418.39-14,132.17-3,873.40

Finding the Fourth Proportional to 9,418.39, 14,132.17 and 3,873.40

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Solution

The fourth proportional to 9,418.39, 14,132.17 and 3,873.40 is: 5,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.39 : 14,132.17 = 3,873.40 : x
  2. Step 2: Convert to fraction form
    9,418.39/14,132.17 = 3,873.40/x
  3. Step 3: Cross multiply
    9,418.39x = 14,132.17 × 3,873.40
  4. Step 4: Simplify right side
    9,418.39x = 54,739,457.25
  5. Step 5: Solve for x
    x = 54,739,457.25/9,418.39
  6. Step 6: Final answer
    x = 5,811.98

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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.