Home / 8,151.91-11,250.59-4,967.08

Finding the Fourth Proportional to 8,151.91, 11,250.59 and 4,967.08

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Solution

The fourth proportional to 8,151.91, 11,250.59 and 4,967.08 is: 6,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.91 : 11,250.59 = 4,967.08 : x
  2. Step 2: Convert to fraction form
    8,151.91/11,250.59 = 4,967.08/x
  3. Step 3: Cross multiply
    8,151.91x = 11,250.59 × 4,967.08
  4. Step 4: Simplify right side
    8,151.91x = 55,882,527.62
  5. Step 5: Solve for x
    x = 55,882,527.62/8,151.91
  6. Step 6: Final answer
    x = 6,855.15

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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.