Home / 10,173.38-14,040.66-6,140.42

Finding the Fourth Proportional to 10,173.38, 14,040.66 and 6,140.42

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Solution

The fourth proportional to 10,173.38, 14,040.66 and 6,140.42 is: 8,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.38 : 14,040.66 = 6,140.42 : x
  2. Step 2: Convert to fraction form
    10,173.38/14,040.66 = 6,140.42/x
  3. Step 3: Cross multiply
    10,173.38x = 14,040.66 × 6,140.42
  4. Step 4: Simplify right side
    10,173.38x = 86,215,480.92
  5. Step 5: Solve for x
    x = 86,215,480.92/10,173.38
  6. Step 6: Final answer
    x = 8,474.61

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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.