Home / 7,512.40-11,266.46-2,247.20

Finding the Fourth Proportional to 7,512.40, 11,266.46 and 2,247.20

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Solution

The fourth proportional to 7,512.40, 11,266.46 and 2,247.20 is: 3,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.40 : 11,266.46 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    7,512.40/11,266.46 = 2,247.20/x
  3. Step 3: Cross multiply
    7,512.40x = 11,266.46 × 2,247.20
  4. Step 4: Simplify right side
    7,512.40x = 25,317,988.91
  5. Step 5: Solve for x
    x = 25,317,988.91/7,512.40
  6. Step 6: Final answer
    x = 3,370.16

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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.