Home / 7,363.28-11,049.48-2,980.78

Finding the Fourth Proportional to 7,363.28, 11,049.48 and 2,980.78

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Solution

The fourth proportional to 7,363.28, 11,049.48 and 2,980.78 is: 4,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.28 : 11,049.48 = 2,980.78 : x
  2. Step 2: Convert to fraction form
    7,363.28/11,049.48 = 2,980.78/x
  3. Step 3: Cross multiply
    7,363.28x = 11,049.48 × 2,980.78
  4. Step 4: Simplify right side
    7,363.28x = 32,936,068.99
  5. Step 5: Solve for x
    x = 32,936,068.99/7,363.28
  6. Step 6: Final answer
    x = 4,473.02

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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.