Home / 7,882.29-11,811.54-4,758.84

Finding the Fourth Proportional to 7,882.29, 11,811.54 and 4,758.84

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Solution

The fourth proportional to 7,882.29, 11,811.54 and 4,758.84 is: 7,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.29 : 11,811.54 = 4,758.84 : x
  2. Step 2: Convert to fraction form
    7,882.29/11,811.54 = 4,758.84/x
  3. Step 3: Cross multiply
    7,882.29x = 11,811.54 × 4,758.84
  4. Step 4: Simplify right side
    7,882.29x = 56,209,229.01
  5. Step 5: Solve for x
    x = 56,209,229.01/7,882.29
  6. Step 6: Final answer
    x = 7,131.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.