Home / 8,765.19-12,094.29-5,228.73

Finding the Fourth Proportional to 8,765.19, 12,094.29 and 5,228.73

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Solution

The fourth proportional to 8,765.19, 12,094.29 and 5,228.73 is: 7,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.19 : 12,094.29 = 5,228.73 : x
  2. Step 2: Convert to fraction form
    8,765.19/12,094.29 = 5,228.73/x
  3. Step 3: Cross multiply
    8,765.19x = 12,094.29 × 5,228.73
  4. Step 4: Simplify right side
    8,765.19x = 63,237,776.95
  5. Step 5: Solve for x
    x = 63,237,776.95/8,765.19
  6. Step 6: Final answer
    x = 7,214.65

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Double scale
Find fourth proportional to 8,766.19, 12,095.67 and 5,229.73
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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.