Home / 9,046.78-13,559.20-4,111.45

Finding the Fourth Proportional to 9,046.78, 13,559.20 and 4,111.45

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Solution

The fourth proportional to 9,046.78, 13,559.20 and 4,111.45 is: 6,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.78 : 13,559.20 = 4,111.45 : x
  2. Step 2: Convert to fraction form
    9,046.78/13,559.20 = 4,111.45/x
  3. Step 3: Cross multiply
    9,046.78x = 13,559.20 × 4,111.45
  4. Step 4: Simplify right side
    9,046.78x = 55,747,928.66
  5. Step 5: Solve for x
    x = 55,747,928.66/9,046.78
  6. Step 6: Final answer
    x = 6,162.19

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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.