Home / 11,407.74-17,111.61-4,293.32

Finding the Fourth Proportional to 11,407.74, 17,111.61 and 4,293.32

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Solution

The fourth proportional to 11,407.74, 17,111.61 and 4,293.32 is: 6,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.74 : 17,111.61 = 4,293.32 : x
  2. Step 2: Convert to fraction form
    11,407.74/17,111.61 = 4,293.32/x
  3. Step 3: Cross multiply
    11,407.74x = 17,111.61 × 4,293.32
  4. Step 4: Simplify right side
    11,407.74x = 73,465,531.89
  5. Step 5: Solve for x
    x = 73,465,531.89/11,407.74
  6. Step 6: Final answer
    x = 6,439.97

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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.