Home / 8,111.17-11,193.31-4,575.52

Finding the Fourth Proportional to 8,111.17, 11,193.31 and 4,575.52

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Solution

The fourth proportional to 8,111.17, 11,193.31 and 4,575.52 is: 6,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.17 : 11,193.31 = 4,575.52 : x
  2. Step 2: Convert to fraction form
    8,111.17/11,193.31 = 4,575.52/x
  3. Step 3: Cross multiply
    8,111.17x = 11,193.31 × 4,575.52
  4. Step 4: Simplify right side
    8,111.17x = 51,215,213.77
  5. Step 5: Solve for x
    x = 51,215,213.77/8,111.17
  6. Step 6: Final answer
    x = 6,314.16

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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.