Home / 6,949.80-10,412.55-5,856.30

Finding the Fourth Proportional to 6,949.80, 10,412.55 and 5,856.30

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Solution

The fourth proportional to 6,949.80, 10,412.55 and 5,856.30 is: 8,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.80 : 10,412.55 = 5,856.30 : x
  2. Step 2: Convert to fraction form
    6,949.80/10,412.55 = 5,856.30/x
  3. Step 3: Cross multiply
    6,949.80x = 10,412.55 × 5,856.30
  4. Step 4: Simplify right side
    6,949.80x = 60,979,016.57
  5. Step 5: Solve for x
    x = 60,979,016.57/6,949.80
  6. Step 6: Final answer
    x = 8,774.21

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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.