Home / 6,967.86-9,615.44-3,781.01

Finding the Fourth Proportional to 6,967.86, 9,615.44 and 3,781.01

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Solution

The fourth proportional to 6,967.86, 9,615.44 and 3,781.01 is: 5,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.86 : 9,615.44 = 3,781.01 : x
  2. Step 2: Convert to fraction form
    6,967.86/9,615.44 = 3,781.01/x
  3. Step 3: Cross multiply
    6,967.86x = 9,615.44 × 3,781.01
  4. Step 4: Simplify right side
    6,967.86x = 36,356,108.29
  5. Step 5: Solve for x
    x = 36,356,108.29/6,967.86
  6. Step 6: Final answer
    x = 5,217.69

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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.