Home / 8,921.83-12,299.01-6,793.65

Finding the Fourth Proportional to 8,921.83, 12,299.01 and 6,793.65

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Solution

The fourth proportional to 8,921.83, 12,299.01 and 6,793.65 is: 9,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.83 : 12,299.01 = 6,793.65 : x
  2. Step 2: Convert to fraction form
    8,921.83/12,299.01 = 6,793.65/x
  3. Step 3: Cross multiply
    8,921.83x = 12,299.01 × 6,793.65
  4. Step 4: Simplify right side
    8,921.83x = 83,555,169.29
  5. Step 5: Solve for x
    x = 83,555,169.29/8,921.83
  6. Step 6: Final answer
    x = 9,365.25

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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.