Home / 9,229.86-12,737.43-5,251.41

Finding the Fourth Proportional to 9,229.86, 12,737.43 and 5,251.41

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Solution

The fourth proportional to 9,229.86, 12,737.43 and 5,251.41 is: 7,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.86 : 12,737.43 = 5,251.41 : x
  2. Step 2: Convert to fraction form
    9,229.86/12,737.43 = 5,251.41/x
  3. Step 3: Cross multiply
    9,229.86x = 12,737.43 × 5,251.41
  4. Step 4: Simplify right side
    9,229.86x = 66,889,467.28
  5. Step 5: Solve for x
    x = 66,889,467.28/9,229.86
  6. Step 6: Final answer
    x = 7,247.07

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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.