Home / 7,647.08-11,470.68-2,716.52

Finding the Fourth Proportional to 7,647.08, 11,470.68 and 2,716.52

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Solution

The fourth proportional to 7,647.08, 11,470.68 and 2,716.52 is: 4,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.08 : 11,470.68 = 2,716.52 : x
  2. Step 2: Convert to fraction form
    7,647.08/11,470.68 = 2,716.52/x
  3. Step 3: Cross multiply
    7,647.08x = 11,470.68 × 2,716.52
  4. Step 4: Simplify right side
    7,647.08x = 31,160,331.63
  5. Step 5: Solve for x
    x = 31,160,331.63/7,647.08
  6. Step 6: Final answer
    x = 4,074.80

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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.