Home / 10,161.38-14,023.46-5,686.58

Finding the Fourth Proportional to 10,161.38, 14,023.46 and 5,686.58

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Solution

The fourth proportional to 10,161.38, 14,023.46 and 5,686.58 is: 7,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.38 : 14,023.46 = 5,686.58 : x
  2. Step 2: Convert to fraction form
    10,161.38/14,023.46 = 5,686.58/x
  3. Step 3: Cross multiply
    10,161.38x = 14,023.46 × 5,686.58
  4. Step 4: Simplify right side
    10,161.38x = 79,745,527.17
  5. Step 5: Solve for x
    x = 79,745,527.17/10,161.38
  6. Step 6: Final answer
    x = 7,847.90

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1.5x scale

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.