Home / 8,382.47-11,567.78-4,605.87

Finding the Fourth Proportional to 8,382.47, 11,567.78 and 4,605.87

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Solution

The fourth proportional to 8,382.47, 11,567.78 and 4,605.87 is: 6,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.47 : 11,567.78 = 4,605.87 : x
  2. Step 2: Convert to fraction form
    8,382.47/11,567.78 = 4,605.87/x
  3. Step 3: Cross multiply
    8,382.47x = 11,567.78 × 4,605.87
  4. Step 4: Simplify right side
    8,382.47x = 53,279,696.76
  5. Step 5: Solve for x
    x = 53,279,696.76/8,382.47
  6. Step 6: Final answer
    x = 6,356.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.