Home / 8,045.12-11,102.48-4,508.55

Finding the Fourth Proportional to 8,045.12, 11,102.48 and 4,508.55

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Solution

The fourth proportional to 8,045.12, 11,102.48 and 4,508.55 is: 6,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.12 : 11,102.48 = 4,508.55 : x
  2. Step 2: Convert to fraction form
    8,045.12/11,102.48 = 4,508.55/x
  3. Step 3: Cross multiply
    8,045.12x = 11,102.48 × 4,508.55
  4. Step 4: Simplify right side
    8,045.12x = 50,056,063.66
  5. Step 5: Solve for x
    x = 50,056,063.66/8,045.12
  6. Step 6: Final answer
    x = 6,221.92

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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.