Home / 8,014.72-11,060.28-4,477.92

Finding the Fourth Proportional to 8,014.72, 11,060.28 and 4,477.92

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Solution

The fourth proportional to 8,014.72, 11,060.28 and 4,477.92 is: 6,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.72 : 11,060.28 = 4,477.92 : x
  2. Step 2: Convert to fraction form
    8,014.72/11,060.28 = 4,477.92/x
  3. Step 3: Cross multiply
    8,014.72x = 11,060.28 × 4,477.92
  4. Step 4: Simplify right side
    8,014.72x = 49,527,049.02
  5. Step 5: Solve for x
    x = 49,527,049.02/8,014.72
  6. Step 6: Final answer
    x = 6,179.51

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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.