Home / 8,062.21-11,126.55-4,477.86

Finding the Fourth Proportional to 8,062.21, 11,126.55 and 4,477.86

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Solution

The fourth proportional to 8,062.21, 11,126.55 and 4,477.86 is: 6,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.21 : 11,126.55 = 4,477.86 : x
  2. Step 2: Convert to fraction form
    8,062.21/11,126.55 = 4,477.86/x
  3. Step 3: Cross multiply
    8,062.21x = 11,126.55 × 4,477.86
  4. Step 4: Simplify right side
    8,062.21x = 49,823,055.16
  5. Step 5: Solve for x
    x = 49,823,055.16/8,062.21
  6. Step 6: Final answer
    x = 6,179.83

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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.