Home / 8,935.59-12,332.18-5,159.68

Finding the Fourth Proportional to 8,935.59, 12,332.18 and 5,159.68

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Solution

The fourth proportional to 8,935.59, 12,332.18 and 5,159.68 is: 7,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.59 : 12,332.18 = 5,159.68 : x
  2. Step 2: Convert to fraction form
    8,935.59/12,332.18 = 5,159.68/x
  3. Step 3: Cross multiply
    8,935.59x = 12,332.18 × 5,159.68
  4. Step 4: Simplify right side
    8,935.59x = 63,630,084.57
  5. Step 5: Solve for x
    x = 63,630,084.57/8,935.59
  6. Step 6: Final answer
    x = 7,120.97

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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.