Home / 8,829.18-12,189.62-5,847.57

Finding the Fourth Proportional to 8,829.18, 12,189.62 and 5,847.57

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Solution

The fourth proportional to 8,829.18, 12,189.62 and 5,847.57 is: 8,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.18 : 12,189.62 = 5,847.57 : x
  2. Step 2: Convert to fraction form
    8,829.18/12,189.62 = 5,847.57/x
  3. Step 3: Cross multiply
    8,829.18x = 12,189.62 × 5,847.57
  4. Step 4: Simplify right side
    8,829.18x = 71,279,656.22
  5. Step 5: Solve for x
    x = 71,279,656.22/8,829.18
  6. Step 6: Final answer
    x = 8,073.19

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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.