Home / 10,167.42-14,030.60-5,691.36

Finding the Fourth Proportional to 10,167.42, 14,030.60 and 5,691.36

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Solution

The fourth proportional to 10,167.42, 14,030.60 and 5,691.36 is: 7,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.42 : 14,030.60 = 5,691.36 : x
  2. Step 2: Convert to fraction form
    10,167.42/14,030.60 = 5,691.36/x
  3. Step 3: Cross multiply
    10,167.42x = 14,030.60 × 5,691.36
  4. Step 4: Simplify right side
    10,167.42x = 79,853,195.62
  5. Step 5: Solve for x
    x = 79,853,195.62/10,167.42
  6. Step 6: Final answer
    x = 7,853.83

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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.