Home / 9,117.12-13,674.16-2,543.97

Finding the Fourth Proportional to 9,117.12, 13,674.16 and 2,543.97

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Solution

The fourth proportional to 9,117.12, 13,674.16 and 2,543.97 is: 3,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.12 : 13,674.16 = 2,543.97 : x
  2. Step 2: Convert to fraction form
    9,117.12/13,674.16 = 2,543.97/x
  3. Step 3: Cross multiply
    9,117.12x = 13,674.16 × 2,543.97
  4. Step 4: Simplify right side
    9,117.12x = 34,786,640.10
  5. Step 5: Solve for x
    x = 34,786,640.10/9,117.12
  6. Step 6: Final answer
    x = 3,815.53

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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.