Home / 11,647.40-17,470.90-2,882.32

Finding the Fourth Proportional to 11,647.40, 17,470.90 and 2,882.32

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Solution

The fourth proportional to 11,647.40, 17,470.90 and 2,882.32 is: 4,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.40 : 17,470.90 = 2,882.32 : x
  2. Step 2: Convert to fraction form
    11,647.40/17,470.90 = 2,882.32/x
  3. Step 3: Cross multiply
    11,647.40x = 17,470.90 × 2,882.32
  4. Step 4: Simplify right side
    11,647.40x = 50,356,724.49
  5. Step 5: Solve for x
    x = 50,356,724.49/11,647.40
  6. Step 6: Final answer
    x = 4,323.43

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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.