Home / 7,521.88-10,380.36-4,873.90

Finding the Fourth Proportional to 7,521.88, 10,380.36 and 4,873.90

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Solution

The fourth proportional to 7,521.88, 10,380.36 and 4,873.90 is: 6,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.88 : 10,380.36 = 4,873.90 : x
  2. Step 2: Convert to fraction form
    7,521.88/10,380.36 = 4,873.90/x
  3. Step 3: Cross multiply
    7,521.88x = 10,380.36 × 4,873.90
  4. Step 4: Simplify right side
    7,521.88x = 50,592,836.60
  5. Step 5: Solve for x
    x = 50,592,836.60/7,521.88
  6. Step 6: Final answer
    x = 6,726.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.