Home / 8,691.16-13,031.94-3,066.04

Finding the Fourth Proportional to 8,691.16, 13,031.94 and 3,066.04

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Solution

The fourth proportional to 8,691.16, 13,031.94 and 3,066.04 is: 4,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.16 : 13,031.94 = 3,066.04 : x
  2. Step 2: Convert to fraction form
    8,691.16/13,031.94 = 3,066.04/x
  3. Step 3: Cross multiply
    8,691.16x = 13,031.94 × 3,066.04
  4. Step 4: Simplify right side
    8,691.16x = 39,956,449.32
  5. Step 5: Solve for x
    x = 39,956,449.32/8,691.16
  6. Step 6: Final answer
    x = 4,597.37

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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.