Home / 8,829.68-13,242.69-4,382.78

Finding the Fourth Proportional to 8,829.68, 13,242.69 and 4,382.78

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Solution

The fourth proportional to 8,829.68, 13,242.69 and 4,382.78 is: 6,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.68 : 13,242.69 = 4,382.78 : x
  2. Step 2: Convert to fraction form
    8,829.68/13,242.69 = 4,382.78/x
  3. Step 3: Cross multiply
    8,829.68x = 13,242.69 × 4,382.78
  4. Step 4: Simplify right side
    8,829.68x = 58,039,730.66
  5. Step 5: Solve for x
    x = 58,039,730.66/8,829.68
  6. Step 6: Final answer
    x = 6,573.26

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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.