Home / 8,254.19-11,379.39-7,995.71

Finding the Fourth Proportional to 8,254.19, 11,379.39 and 7,995.71

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Solution

The fourth proportional to 8,254.19, 11,379.39 and 7,995.71 is: 11,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.19 : 11,379.39 = 7,995.71 : x
  2. Step 2: Convert to fraction form
    8,254.19/11,379.39 = 7,995.71/x
  3. Step 3: Cross multiply
    8,254.19x = 11,379.39 × 7,995.71
  4. Step 4: Simplify right side
    8,254.19x = 90,986,302.42
  5. Step 5: Solve for x
    x = 90,986,302.42/8,254.19
  6. Step 6: Final answer
    x = 11,023.04

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,255.19, 11,380.77 and 7,996.71
Similar ratio
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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.