Home / 8,170.11-11,276.01-4,632.57

Finding the Fourth Proportional to 8,170.11, 11,276.01 and 4,632.57

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Solution

The fourth proportional to 8,170.11, 11,276.01 and 4,632.57 is: 6,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.11 : 11,276.01 = 4,632.57 : x
  2. Step 2: Convert to fraction form
    8,170.11/11,276.01 = 4,632.57/x
  3. Step 3: Cross multiply
    8,170.11x = 11,276.01 × 4,632.57
  4. Step 4: Simplify right side
    8,170.11x = 52,236,905.65
  5. Step 5: Solve for x
    x = 52,236,905.65/8,170.11
  6. Step 6: Final answer
    x = 6,393.66

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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.