Home / 7,647.15-11,470.65-2,453.04

Finding the Fourth Proportional to 7,647.15, 11,470.65 and 2,453.04

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Solution

The fourth proportional to 7,647.15, 11,470.65 and 2,453.04 is: 3,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.15 : 11,470.65 = 2,453.04 : x
  2. Step 2: Convert to fraction form
    7,647.15/11,470.65 = 2,453.04/x
  3. Step 3: Cross multiply
    7,647.15x = 11,470.65 × 2,453.04
  4. Step 4: Simplify right side
    7,647.15x = 28,137,963.28
  5. Step 5: Solve for x
    x = 28,137,963.28/7,647.15
  6. Step 6: Final answer
    x = 3,679.54

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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.