Home / 11,342.10-17,015.85-4,764.90

Finding the Fourth Proportional to 11,342.10, 17,015.85 and 4,764.90

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Solution

The fourth proportional to 11,342.10, 17,015.85 and 4,764.90 is: 7,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.10 : 17,015.85 = 4,764.90 : x
  2. Step 2: Convert to fraction form
    11,342.10/17,015.85 = 4,764.90/x
  3. Step 3: Cross multiply
    11,342.10x = 17,015.85 × 4,764.90
  4. Step 4: Simplify right side
    11,342.10x = 81,078,823.67
  5. Step 5: Solve for x
    x = 81,078,823.67/11,342.10
  6. Step 6: Final answer
    x = 7,148.48

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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.