Home / 8,939.06-12,338.33-5,953.80

Finding the Fourth Proportional to 8,939.06, 12,338.33 and 5,953.80

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Solution

The fourth proportional to 8,939.06, 12,338.33 and 5,953.80 is: 8,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.06 : 12,338.33 = 5,953.80 : x
  2. Step 2: Convert to fraction form
    8,939.06/12,338.33 = 5,953.80/x
  3. Step 3: Cross multiply
    8,939.06x = 12,338.33 × 5,953.80
  4. Step 4: Simplify right side
    8,939.06x = 73,459,965.65
  5. Step 5: Solve for x
    x = 73,459,965.65/8,939.06
  6. Step 6: Final answer
    x = 8,217.86

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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.