Home / 10,167.12-14,032.44-7,380.72

Finding the Fourth Proportional to 10,167.12, 14,032.44 and 7,380.72

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Solution

The fourth proportional to 10,167.12, 14,032.44 and 7,380.72 is: 10,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.12 : 14,032.44 = 7,380.72 : x
  2. Step 2: Convert to fraction form
    10,167.12/14,032.44 = 7,380.72/x
  3. Step 3: Cross multiply
    10,167.12x = 14,032.44 × 7,380.72
  4. Step 4: Simplify right side
    10,167.12x = 103,569,510.56
  5. Step 5: Solve for x
    x = 103,569,510.56/10,167.12
  6. Step 6: Final answer
    x = 10,186.71

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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.