Home / 7,436.21-11,153.09-3,275.10

Finding the Fourth Proportional to 7,436.21, 11,153.09 and 3,275.10

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Solution

The fourth proportional to 7,436.21, 11,153.09 and 3,275.10 is: 4,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.21 : 11,153.09 = 3,275.10 : x
  2. Step 2: Convert to fraction form
    7,436.21/11,153.09 = 3,275.10/x
  3. Step 3: Cross multiply
    7,436.21x = 11,153.09 × 3,275.10
  4. Step 4: Simplify right side
    7,436.21x = 36,527,493.25
  5. Step 5: Solve for x
    x = 36,527,493.25/7,436.21
  6. Step 6: Final answer
    x = 4,912.11

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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.