Home / 8,408.29-11,608.10-5,051.92

Finding the Fourth Proportional to 8,408.29, 11,608.10 and 5,051.92

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Solution

The fourth proportional to 8,408.29, 11,608.10 and 5,051.92 is: 6,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.29 : 11,608.10 = 5,051.92 : x
  2. Step 2: Convert to fraction form
    8,408.29/11,608.10 = 5,051.92/x
  3. Step 3: Cross multiply
    8,408.29x = 11,608.10 × 5,051.92
  4. Step 4: Simplify right side
    8,408.29x = 58,643,192.55
  5. Step 5: Solve for x
    x = 58,643,192.55/8,408.29
  6. Step 6: Final answer
    x = 6,974.45

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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.