Home / 12,831.70-19,233.15-6,589.30

Finding the Fourth Proportional to 12,831.70, 19,233.15 and 6,589.30

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Solution

The fourth proportional to 12,831.70, 19,233.15 and 6,589.30 is: 9,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.70 : 19,233.15 = 6,589.30 : x
  2. Step 2: Convert to fraction form
    12,831.70/19,233.15 = 6,589.30/x
  3. Step 3: Cross multiply
    12,831.70x = 19,233.15 × 6,589.30
  4. Step 4: Simplify right side
    12,831.70x = 126,732,995.30
  5. Step 5: Solve for x
    x = 126,732,995.30/12,831.70
  6. Step 6: Final answer
    x = 9,876.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.