Home / 6,722.06-9,278.12-4,069.04

Finding the Fourth Proportional to 6,722.06, 9,278.12 and 4,069.04

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Solution

The fourth proportional to 6,722.06, 9,278.12 and 4,069.04 is: 5,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.06 : 9,278.12 = 4,069.04 : x
  2. Step 2: Convert to fraction form
    6,722.06/9,278.12 = 4,069.04/x
  3. Step 3: Cross multiply
    6,722.06x = 9,278.12 × 4,069.04
  4. Step 4: Simplify right side
    6,722.06x = 37,753,041.40
  5. Step 5: Solve for x
    x = 37,753,041.40/6,722.06
  6. Step 6: Final answer
    x = 5,616.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.