Home / 7,515.27-11,274.42-2,250.40

Finding the Fourth Proportional to 7,515.27, 11,274.42 and 2,250.40

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Solution

The fourth proportional to 7,515.27, 11,274.42 and 2,250.40 is: 3,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.27 : 11,274.42 = 2,250.40 : x
  2. Step 2: Convert to fraction form
    7,515.27/11,274.42 = 2,250.40/x
  3. Step 3: Cross multiply
    7,515.27x = 11,274.42 × 2,250.40
  4. Step 4: Simplify right side
    7,515.27x = 25,371,954.77
  5. Step 5: Solve for x
    x = 25,371,954.77/7,515.27
  6. Step 6: Final answer
    x = 3,376.05

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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.