Home / 7,426.88-11,125.20-4,821.92

Finding the Fourth Proportional to 7,426.88, 11,125.20 and 4,821.92

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Solution

The fourth proportional to 7,426.88, 11,125.20 and 4,821.92 is: 7,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.88 : 11,125.20 = 4,821.92 : x
  2. Step 2: Convert to fraction form
    7,426.88/11,125.20 = 4,821.92/x
  3. Step 3: Cross multiply
    7,426.88x = 11,125.20 × 4,821.92
  4. Step 4: Simplify right side
    7,426.88x = 53,644,824.38
  5. Step 5: Solve for x
    x = 53,644,824.38/7,426.88
  6. Step 6: Final answer
    x = 7,223.06

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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.