Home / 11,569.16-15,964.46-6,788.61

Finding the Fourth Proportional to 11,569.16, 15,964.46 and 6,788.61

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Solution

The fourth proportional to 11,569.16, 15,964.46 and 6,788.61 is: 9,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.16 : 15,964.46 = 6,788.61 : x
  2. Step 2: Convert to fraction form
    11,569.16/15,964.46 = 6,788.61/x
  3. Step 3: Cross multiply
    11,569.16x = 15,964.46 × 6,788.61
  4. Step 4: Simplify right side
    11,569.16x = 108,376,492.80
  5. Step 5: Solve for x
    x = 108,376,492.80/11,569.16
  6. Step 6: Final answer
    x = 9,367.71

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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.