Home / 8,742.07-13,110.89-2,502.12

Finding the Fourth Proportional to 8,742.07, 13,110.89 and 2,502.12

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Solution

The fourth proportional to 8,742.07, 13,110.89 and 2,502.12 is: 3,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.07 : 13,110.89 = 2,502.12 : x
  2. Step 2: Convert to fraction form
    8,742.07/13,110.89 = 2,502.12/x
  3. Step 3: Cross multiply
    8,742.07x = 13,110.89 × 2,502.12
  4. Step 4: Simplify right side
    8,742.07x = 32,805,020.09
  5. Step 5: Solve for x
    x = 32,805,020.09/8,742.07
  6. Step 6: Final answer
    x = 3,752.55

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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.