Home / 11,167.48-15,410.76-6,131.56

Finding the Fourth Proportional to 11,167.48, 15,410.76 and 6,131.56

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Solution

The fourth proportional to 11,167.48, 15,410.76 and 6,131.56 is: 8,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.48 : 15,410.76 = 6,131.56 : x
  2. Step 2: Convert to fraction form
    11,167.48/15,410.76 = 6,131.56/x
  3. Step 3: Cross multiply
    11,167.48x = 15,410.76 × 6,131.56
  4. Step 4: Simplify right side
    11,167.48x = 94,491,999.59
  5. Step 5: Solve for x
    x = 94,491,999.59/11,167.48
  6. Step 6: Final answer
    x = 8,461.35

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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.