Home / 7,634.91-11,446.53-5,288.17

Finding the Fourth Proportional to 7,634.91, 11,446.53 and 5,288.17

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Solution

The fourth proportional to 7,634.91, 11,446.53 and 5,288.17 is: 7,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.91 : 11,446.53 = 5,288.17 : x
  2. Step 2: Convert to fraction form
    7,634.91/11,446.53 = 5,288.17/x
  3. Step 3: Cross multiply
    7,634.91x = 11,446.53 × 5,288.17
  4. Step 4: Simplify right side
    7,634.91x = 60,531,196.55
  5. Step 5: Solve for x
    x = 60,531,196.55/7,634.91
  6. Step 6: Final answer
    x = 7,928.21

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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.