Home / 10,163.67-14,025.81-5,687.61

Finding the Fourth Proportional to 10,163.67, 14,025.81 and 5,687.61

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Solution

The fourth proportional to 10,163.67, 14,025.81 and 5,687.61 is: 7,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.67 : 14,025.81 = 5,687.61 : x
  2. Step 2: Convert to fraction form
    10,163.67/14,025.81 = 5,687.61/x
  3. Step 3: Cross multiply
    10,163.67x = 14,025.81 × 5,687.61
  4. Step 4: Simplify right side
    10,163.67x = 79,773,337.21
  5. Step 5: Solve for x
    x = 79,773,337.21/10,163.67
  6. Step 6: Final answer
    x = 7,848.87

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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.