Home / 8,210.73-11,331.18-4,674.69

Finding the Fourth Proportional to 8,210.73, 11,331.18 and 4,674.69

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Solution

The fourth proportional to 8,210.73, 11,331.18 and 4,674.69 is: 6,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.73 : 11,331.18 = 4,674.69 : x
  2. Step 2: Convert to fraction form
    8,210.73/11,331.18 = 4,674.69/x
  3. Step 3: Cross multiply
    8,210.73x = 11,331.18 × 4,674.69
  4. Step 4: Simplify right side
    8,210.73x = 52,969,753.83
  5. Step 5: Solve for x
    x = 52,969,753.83/8,210.73
  6. Step 6: Final answer
    x = 6,451.28

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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.