Home / 10,027.93-13,839.99-5,778.18

Finding the Fourth Proportional to 10,027.93, 13,839.99 and 5,778.18

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Solution

The fourth proportional to 10,027.93, 13,839.99 and 5,778.18 is: 7,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.93 : 13,839.99 = 5,778.18 : x
  2. Step 2: Convert to fraction form
    10,027.93/13,839.99 = 5,778.18/x
  3. Step 3: Cross multiply
    10,027.93x = 13,839.99 × 5,778.18
  4. Step 4: Simplify right side
    10,027.93x = 79,969,953.42
  5. Step 5: Solve for x
    x = 79,969,953.42/10,027.93
  6. Step 6: Final answer
    x = 7,974.72

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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.