Home / 8,111.53-11,193.91-4,385.53

Finding the Fourth Proportional to 8,111.53, 11,193.91 and 4,385.53

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Solution

The fourth proportional to 8,111.53, 11,193.91 and 4,385.53 is: 6,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.53 : 11,193.91 = 4,385.53 : x
  2. Step 2: Convert to fraction form
    8,111.53/11,193.91 = 4,385.53/x
  3. Step 3: Cross multiply
    8,111.53x = 11,193.91 × 4,385.53
  4. Step 4: Simplify right side
    8,111.53x = 49,091,255.82
  5. Step 5: Solve for x
    x = 49,091,255.82/8,111.53
  6. Step 6: Final answer
    x = 6,052.03

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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.