Home / 8,152.11-11,249.28-4,615.65

Finding the Fourth Proportional to 8,152.11, 11,249.28 and 4,615.65

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Solution

The fourth proportional to 8,152.11, 11,249.28 and 4,615.65 is: 6,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.11 : 11,249.28 = 4,615.65 : x
  2. Step 2: Convert to fraction form
    8,152.11/11,249.28 = 4,615.65/x
  3. Step 3: Cross multiply
    8,152.11x = 11,249.28 × 4,615.65
  4. Step 4: Simplify right side
    8,152.11x = 51,922,739.23
  5. Step 5: Solve for x
    x = 51,922,739.23/8,152.11
  6. Step 6: Final answer
    x = 6,369.24

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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.