Home / 8,845.20-12,205.08-5,856.30

Finding the Fourth Proportional to 8,845.20, 12,205.08 and 5,856.30

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Solution

The fourth proportional to 8,845.20, 12,205.08 and 5,856.30 is: 8,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.20 : 12,205.08 = 5,856.30 : x
  2. Step 2: Convert to fraction form
    8,845.20/12,205.08 = 5,856.30/x
  3. Step 3: Cross multiply
    8,845.20x = 12,205.08 × 5,856.30
  4. Step 4: Simplify right side
    8,845.20x = 71,476,610.00
  5. Step 5: Solve for x
    x = 71,476,610.00/8,845.20
  6. Step 6: Final answer
    x = 8,080.84

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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.