Home / 7,472.40-11,198.04-3,087.12

Finding the Fourth Proportional to 7,472.40, 11,198.04 and 3,087.12

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Solution

The fourth proportional to 7,472.40, 11,198.04 and 3,087.12 is: 4,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.40 : 11,198.04 = 3,087.12 : x
  2. Step 2: Convert to fraction form
    7,472.40/11,198.04 = 3,087.12/x
  3. Step 3: Cross multiply
    7,472.40x = 11,198.04 × 3,087.12
  4. Step 4: Simplify right side
    7,472.40x = 34,569,693.24
  5. Step 5: Solve for x
    x = 34,569,693.24/7,472.40
  6. Step 6: Final answer
    x = 4,626.32

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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.