Home / 8,449.12-11,652.24-5,305.60

Finding the Fourth Proportional to 8,449.12, 11,652.24 and 5,305.60

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Solution

The fourth proportional to 8,449.12, 11,652.24 and 5,305.60 is: 7,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.12 : 11,652.24 = 5,305.60 : x
  2. Step 2: Convert to fraction form
    8,449.12/11,652.24 = 5,305.60/x
  3. Step 3: Cross multiply
    8,449.12x = 11,652.24 × 5,305.60
  4. Step 4: Simplify right side
    8,449.12x = 61,822,124.54
  5. Step 5: Solve for x
    x = 61,822,124.54/8,449.12
  6. Step 6: Final answer
    x = 7,316.99

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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.