Home / 6,764.76-10,147.12-2,381.72

Finding the Fourth Proportional to 6,764.76, 10,147.12 and 2,381.72

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Solution

The fourth proportional to 6,764.76, 10,147.12 and 2,381.72 is: 3,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.76 : 10,147.12 = 2,381.72 : x
  2. Step 2: Convert to fraction form
    6,764.76/10,147.12 = 2,381.72/x
  3. Step 3: Cross multiply
    6,764.76x = 10,147.12 × 2,381.72
  4. Step 4: Simplify right side
    6,764.76x = 24,167,598.65
  5. Step 5: Solve for x
    x = 24,167,598.65/6,764.76
  6. Step 6: Final answer
    x = 3,572.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.