Home / 8,111.18-11,193.30-4,575.52

Finding the Fourth Proportional to 8,111.18, 11,193.30 and 4,575.52

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Solution

The fourth proportional to 8,111.18, 11,193.30 and 4,575.52 is: 6,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.18 : 11,193.30 = 4,575.52 : x
  2. Step 2: Convert to fraction form
    8,111.18/11,193.30 = 4,575.52/x
  3. Step 3: Cross multiply
    8,111.18x = 11,193.30 × 4,575.52
  4. Step 4: Simplify right side
    8,111.18x = 51,215,168.02
  5. Step 5: Solve for x
    x = 51,215,168.02/8,111.18
  6. Step 6: Final answer
    x = 6,314.15

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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.