Home / 7,626.65-11,432.97-3,876.21

Finding the Fourth Proportional to 7,626.65, 11,432.97 and 3,876.21

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Solution

The fourth proportional to 7,626.65, 11,432.97 and 3,876.21 is: 5,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.65 : 11,432.97 = 3,876.21 : x
  2. Step 2: Convert to fraction form
    7,626.65/11,432.97 = 3,876.21/x
  3. Step 3: Cross multiply
    7,626.65x = 11,432.97 × 3,876.21
  4. Step 4: Simplify right side
    7,626.65x = 44,316,592.64
  5. Step 5: Solve for x
    x = 44,316,592.64/7,626.65
  6. Step 6: Final answer
    x = 5,810.76

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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.