Home / 6,967.92-9,615.71-3,781.23

Finding the Fourth Proportional to 6,967.92, 9,615.71 and 3,781.23

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Solution

The fourth proportional to 6,967.92, 9,615.71 and 3,781.23 is: 5,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.92 : 9,615.71 = 3,781.23 : x
  2. Step 2: Convert to fraction form
    6,967.92/9,615.71 = 3,781.23/x
  3. Step 3: Cross multiply
    6,967.92x = 9,615.71 × 3,781.23
  4. Step 4: Simplify right side
    6,967.92x = 36,359,192.22
  5. Step 5: Solve for x
    x = 36,359,192.22/6,967.92
  6. Step 6: Final answer
    x = 5,218.08

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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.