Home / 11,395.97-15,723.91-6,613.14

Finding the Fourth Proportional to 11,395.97, 15,723.91 and 6,613.14

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Solution

The fourth proportional to 11,395.97, 15,723.91 and 6,613.14 is: 9,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.97 : 15,723.91 = 6,613.14 : x
  2. Step 2: Convert to fraction form
    11,395.97/15,723.91 = 6,613.14/x
  3. Step 3: Cross multiply
    11,395.97x = 15,723.91 × 6,613.14
  4. Step 4: Simplify right side
    11,395.97x = 103,984,418.18
  5. Step 5: Solve for x
    x = 103,984,418.18/11,395.97
  6. Step 6: Final answer
    x = 9,124.67

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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.