Home / 10,968.10-15,134.97-6,717.22

Finding the Fourth Proportional to 10,968.10, 15,134.97 and 6,717.22

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Solution

The fourth proportional to 10,968.10, 15,134.97 and 6,717.22 is: 9,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.10 : 15,134.97 = 6,717.22 : x
  2. Step 2: Convert to fraction form
    10,968.10/15,134.97 = 6,717.22/x
  3. Step 3: Cross multiply
    10,968.10x = 15,134.97 × 6,717.22
  4. Step 4: Simplify right side
    10,968.10x = 101,664,879.08
  5. Step 5: Solve for x
    x = 101,664,879.08/10,968.10
  6. Step 6: Final answer
    x = 9,269.14

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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.