Home / 7,684.10-11,531.28-3,302.61

Finding the Fourth Proportional to 7,684.10, 11,531.28 and 3,302.61

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Solution

The fourth proportional to 7,684.10, 11,531.28 and 3,302.61 is: 4,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.10 : 11,531.28 = 3,302.61 : x
  2. Step 2: Convert to fraction form
    7,684.10/11,531.28 = 3,302.61/x
  3. Step 3: Cross multiply
    7,684.10x = 11,531.28 × 3,302.61
  4. Step 4: Simplify right side
    7,684.10x = 38,083,320.64
  5. Step 5: Solve for x
    x = 38,083,320.64/7,684.10
  6. Step 6: Final answer
    x = 4,956.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.