Home / 8,331.80-11,500.36-4,976.96

Finding the Fourth Proportional to 8,331.80, 11,500.36 and 4,976.96

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Solution

The fourth proportional to 8,331.80, 11,500.36 and 4,976.96 is: 6,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.80 : 11,500.36 = 4,976.96 : x
  2. Step 2: Convert to fraction form
    8,331.80/11,500.36 = 4,976.96/x
  3. Step 3: Cross multiply
    8,331.80x = 11,500.36 × 4,976.96
  4. Step 4: Simplify right side
    8,331.80x = 57,236,831.71
  5. Step 5: Solve for x
    x = 57,236,831.71/8,331.80
  6. Step 6: Final answer
    x = 6,869.68

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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.