Home / 7,491.10-11,238.38-2,225.99

Finding the Fourth Proportional to 7,491.10, 11,238.38 and 2,225.99

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Solution

The fourth proportional to 7,491.10, 11,238.38 and 2,225.99 is: 3,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.10 : 11,238.38 = 2,225.99 : x
  2. Step 2: Convert to fraction form
    7,491.10/11,238.38 = 2,225.99/x
  3. Step 3: Cross multiply
    7,491.10x = 11,238.38 × 2,225.99
  4. Step 4: Simplify right side
    7,491.10x = 25,016,521.50
  5. Step 5: Solve for x
    x = 25,016,521.50/7,491.10
  6. Step 6: Final answer
    x = 3,339.50

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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.