Home / 7,781.36-10,738.20-4,244.66

Finding the Fourth Proportional to 7,781.36, 10,738.20 and 4,244.66

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Solution

The fourth proportional to 7,781.36, 10,738.20 and 4,244.66 is: 5,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.36 : 10,738.20 = 4,244.66 : x
  2. Step 2: Convert to fraction form
    7,781.36/10,738.20 = 4,244.66/x
  3. Step 3: Cross multiply
    7,781.36x = 10,738.20 × 4,244.66
  4. Step 4: Simplify right side
    7,781.36x = 45,580,008.01
  5. Step 5: Solve for x
    x = 45,580,008.01/7,781.36
  6. Step 6: Final answer
    x = 5,857.59

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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.