Home / 7,247.20-10,867.76-2,315.52

Finding the Fourth Proportional to 7,247.20, 10,867.76 and 2,315.52

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Solution

The fourth proportional to 7,247.20, 10,867.76 and 2,315.52 is: 3,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.20 : 10,867.76 = 2,315.52 : x
  2. Step 2: Convert to fraction form
    7,247.20/10,867.76 = 2,315.52/x
  3. Step 3: Cross multiply
    7,247.20x = 10,867.76 × 2,315.52
  4. Step 4: Simplify right side
    7,247.20x = 25,164,515.64
  5. Step 5: Solve for x
    x = 25,164,515.64/7,247.20
  6. Step 6: Final answer
    x = 3,472.31

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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.