Home / 8,984.56-12,391.68-5,841.76

Finding the Fourth Proportional to 8,984.56, 12,391.68 and 5,841.76

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Solution

The fourth proportional to 8,984.56, 12,391.68 and 5,841.76 is: 8,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.56 : 12,391.68 = 5,841.76 : x
  2. Step 2: Convert to fraction form
    8,984.56/12,391.68 = 5,841.76/x
  3. Step 3: Cross multiply
    8,984.56x = 12,391.68 × 5,841.76
  4. Step 4: Simplify right side
    8,984.56x = 72,389,220.56
  5. Step 5: Solve for x
    x = 72,389,220.56/8,984.56
  6. Step 6: Final answer
    x = 8,057.07

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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.