Home / 7,845.18-11,767.41-2,651.10

Finding the Fourth Proportional to 7,845.18, 11,767.41 and 2,651.10

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Solution

The fourth proportional to 7,845.18, 11,767.41 and 2,651.10 is: 3,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.18 : 11,767.41 = 2,651.10 : x
  2. Step 2: Convert to fraction form
    7,845.18/11,767.41 = 2,651.10/x
  3. Step 3: Cross multiply
    7,845.18x = 11,767.41 × 2,651.10
  4. Step 4: Simplify right side
    7,845.18x = 31,196,580.65
  5. Step 5: Solve for x
    x = 31,196,580.65/7,845.18
  6. Step 6: Final answer
    x = 3,976.53

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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.