Home / 9,686.38-14,530.92-3,114.58

Finding the Fourth Proportional to 9,686.38, 14,530.92 and 3,114.58

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Solution

The fourth proportional to 9,686.38, 14,530.92 and 3,114.58 is: 4,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.38 : 14,530.92 = 3,114.58 : x
  2. Step 2: Convert to fraction form
    9,686.38/14,530.92 = 3,114.58/x
  3. Step 3: Cross multiply
    9,686.38x = 14,530.92 × 3,114.58
  4. Step 4: Simplify right side
    9,686.38x = 45,257,712.81
  5. Step 5: Solve for x
    x = 45,257,712.81/9,686.38
  6. Step 6: Final answer
    x = 4,672.30

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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.