Home / 9,042.87-12,479.16-5,009.96

Finding the Fourth Proportional to 9,042.87, 12,479.16 and 5,009.96

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Solution

The fourth proportional to 9,042.87, 12,479.16 and 5,009.96 is: 6,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.87 : 12,479.16 = 5,009.96 : x
  2. Step 2: Convert to fraction form
    9,042.87/12,479.16 = 5,009.96/x
  3. Step 3: Cross multiply
    9,042.87x = 12,479.16 × 5,009.96
  4. Step 4: Simplify right side
    9,042.87x = 62,520,062.46
  5. Step 5: Solve for x
    x = 62,520,062.46/9,042.87
  6. Step 6: Final answer
    x = 6,913.74

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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.