Home / 8,451.75-11,663.19-4,675.12

Finding the Fourth Proportional to 8,451.75, 11,663.19 and 4,675.12

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Solution

The fourth proportional to 8,451.75, 11,663.19 and 4,675.12 is: 6,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.75 : 11,663.19 = 4,675.12 : x
  2. Step 2: Convert to fraction form
    8,451.75/11,663.19 = 4,675.12/x
  3. Step 3: Cross multiply
    8,451.75x = 11,663.19 × 4,675.12
  4. Step 4: Simplify right side
    8,451.75x = 54,526,812.83
  5. Step 5: Solve for x
    x = 54,526,812.83/8,451.75
  6. Step 6: Final answer
    x = 6,451.54

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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.