Home / 7,407.75-11,111.61-2,967.41

Finding the Fourth Proportional to 7,407.75, 11,111.61 and 2,967.41

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Solution

The fourth proportional to 7,407.75, 11,111.61 and 2,967.41 is: 4,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.75 : 11,111.61 = 2,967.41 : x
  2. Step 2: Convert to fraction form
    7,407.75/11,111.61 = 2,967.41/x
  3. Step 3: Cross multiply
    7,407.75x = 11,111.61 × 2,967.41
  4. Step 4: Simplify right side
    7,407.75x = 32,972,702.63
  5. Step 5: Solve for x
    x = 32,972,702.63/7,407.75
  6. Step 6: Final answer
    x = 4,451.11

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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.