Home / 8,754.47-13,120.77-5,626.15

Finding the Fourth Proportional to 8,754.47, 13,120.77 and 5,626.15

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Solution

The fourth proportional to 8,754.47, 13,120.77 and 5,626.15 is: 8,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.47 : 13,120.77 = 5,626.15 : x
  2. Step 2: Convert to fraction form
    8,754.47/13,120.77 = 5,626.15/x
  3. Step 3: Cross multiply
    8,754.47x = 13,120.77 × 5,626.15
  4. Step 4: Simplify right side
    8,754.47x = 73,819,326.40
  5. Step 5: Solve for x
    x = 73,819,326.40/8,754.47
  6. Step 6: Final answer
    x = 8,432.19

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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.