Home / 10,934.64-15,089.61-6,218.82

Finding the Fourth Proportional to 10,934.64, 15,089.61 and 6,218.82

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Solution

The fourth proportional to 10,934.64, 15,089.61 and 6,218.82 is: 8,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.64 : 15,089.61 = 6,218.82 : x
  2. Step 2: Convert to fraction form
    10,934.64/15,089.61 = 6,218.82/x
  3. Step 3: Cross multiply
    10,934.64x = 15,089.61 × 6,218.82
  4. Step 4: Simplify right side
    10,934.64x = 93,839,568.46
  5. Step 5: Solve for x
    x = 93,839,568.46/10,934.64
  6. Step 6: Final answer
    x = 8,581.86

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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.