Home / 10,167.96-14,032.09-5,691.70

Finding the Fourth Proportional to 10,167.96, 14,032.09 and 5,691.70

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Solution

The fourth proportional to 10,167.96, 14,032.09 and 5,691.70 is: 7,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.96 : 14,032.09 = 5,691.70 : x
  2. Step 2: Convert to fraction form
    10,167.96/14,032.09 = 5,691.70/x
  3. Step 3: Cross multiply
    10,167.96x = 14,032.09 × 5,691.70
  4. Step 4: Simplify right side
    10,167.96x = 79,866,446.65
  5. Step 5: Solve for x
    x = 79,866,446.65/10,167.96
  6. Step 6: Final answer
    x = 7,854.72

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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.