Home / 11,862.81-16,370.04-6,557.31

Finding the Fourth Proportional to 11,862.81, 16,370.04 and 6,557.31

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Solution

The fourth proportional to 11,862.81, 16,370.04 and 6,557.31 is: 9,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.81 : 16,370.04 = 6,557.31 : x
  2. Step 2: Convert to fraction form
    11,862.81/16,370.04 = 6,557.31/x
  3. Step 3: Cross multiply
    11,862.81x = 16,370.04 × 6,557.31
  4. Step 4: Simplify right side
    11,862.81x = 107,343,512.97
  5. Step 5: Solve for x
    x = 107,343,512.97/11,862.81
  6. Step 6: Final answer
    x = 9,048.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.