Home / 7,711.42-11,566.89-3,267.91

Finding the Fourth Proportional to 7,711.42, 11,566.89 and 3,267.91

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Solution

The fourth proportional to 7,711.42, 11,566.89 and 3,267.91 is: 4,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.42 : 11,566.89 = 3,267.91 : x
  2. Step 2: Convert to fraction form
    7,711.42/11,566.89 = 3,267.91/x
  3. Step 3: Cross multiply
    7,711.42x = 11,566.89 × 3,267.91
  4. Step 4: Simplify right side
    7,711.42x = 37,799,555.50
  5. Step 5: Solve for x
    x = 37,799,555.50/7,711.42
  6. Step 6: Final answer
    x = 4,901.76

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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.