Home / 8,707.74-13,061.57-2,864.35

Finding the Fourth Proportional to 8,707.74, 13,061.57 and 2,864.35

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Solution

The fourth proportional to 8,707.74, 13,061.57 and 2,864.35 is: 4,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.74 : 13,061.57 = 2,864.35 : x
  2. Step 2: Convert to fraction form
    8,707.74/13,061.57 = 2,864.35/x
  3. Step 3: Cross multiply
    8,707.74x = 13,061.57 × 2,864.35
  4. Step 4: Simplify right side
    8,707.74x = 37,412,910.03
  5. Step 5: Solve for x
    x = 37,412,910.03/8,707.74
  6. Step 6: Final answer
    x = 4,296.51

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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.