Home / 7,490.10-11,236.88-2,224.99

Finding the Fourth Proportional to 7,490.10, 11,236.88 and 2,224.99

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Solution

The fourth proportional to 7,490.10, 11,236.88 and 2,224.99 is: 3,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.10 : 11,236.88 = 2,224.99 : x
  2. Step 2: Convert to fraction form
    7,490.10/11,236.88 = 2,224.99/x
  3. Step 3: Cross multiply
    7,490.10x = 11,236.88 × 2,224.99
  4. Step 4: Simplify right side
    7,490.10x = 25,001,945.63
  5. Step 5: Solve for x
    x = 25,001,945.63/7,490.10
  6. Step 6: Final answer
    x = 3,338.00

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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.