Home / 11,167.61-15,411.26-6,131.97

Finding the Fourth Proportional to 11,167.61, 15,411.26 and 6,131.97

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Solution

The fourth proportional to 11,167.61, 15,411.26 and 6,131.97 is: 8,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.61 : 15,411.26 = 6,131.97 : x
  2. Step 2: Convert to fraction form
    11,167.61/15,411.26 = 6,131.97/x
  3. Step 3: Cross multiply
    11,167.61x = 15,411.26 × 6,131.97
  4. Step 4: Simplify right side
    11,167.61x = 94,501,399.31
  5. Step 5: Solve for x
    x = 94,501,399.31/11,167.61
  6. Step 6: Final answer
    x = 8,462.10

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1.5x scale

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.