Home / 7,800.76-11,694.66-5,454.06

Finding the Fourth Proportional to 7,800.76, 11,694.66 and 5,454.06

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Solution

The fourth proportional to 7,800.76, 11,694.66 and 5,454.06 is: 8,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.76 : 11,694.66 = 5,454.06 : x
  2. Step 2: Convert to fraction form
    7,800.76/11,694.66 = 5,454.06/x
  3. Step 3: Cross multiply
    7,800.76x = 11,694.66 × 5,454.06
  4. Step 4: Simplify right side
    7,800.76x = 63,783,377.32
  5. Step 5: Solve for x
    x = 63,783,377.32/7,800.76
  6. Step 6: Final answer
    x = 8,176.56

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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.