Home / 7,381.12-10,184.78-4,396.88

Finding the Fourth Proportional to 7,381.12, 10,184.78 and 4,396.88

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Solution

The fourth proportional to 7,381.12, 10,184.78 and 4,396.88 is: 6,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.12 : 10,184.78 = 4,396.88 : x
  2. Step 2: Convert to fraction form
    7,381.12/10,184.78 = 4,396.88/x
  3. Step 3: Cross multiply
    7,381.12x = 10,184.78 × 4,396.88
  4. Step 4: Simplify right side
    7,381.12x = 44,781,255.49
  5. Step 5: Solve for x
    x = 44,781,255.49/7,381.12
  6. Step 6: Final answer
    x = 6,067.00

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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.