Home / 9,418.80-14,111.82-5,712.24

Finding the Fourth Proportional to 9,418.80, 14,111.82 and 5,712.24

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Solution

The fourth proportional to 9,418.80, 14,111.82 and 5,712.24 is: 8,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.80 : 14,111.82 = 5,712.24 : x
  2. Step 2: Convert to fraction form
    9,418.80/14,111.82 = 5,712.24/x
  3. Step 3: Cross multiply
    9,418.80x = 14,111.82 × 5,712.24
  4. Step 4: Simplify right side
    9,418.80x = 80,610,102.68
  5. Step 5: Solve for x
    x = 80,610,102.68/9,418.80
  6. Step 6: Final answer
    x = 8,558.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.