Home / 7,646.23-11,470.49-2,715.46

Finding the Fourth Proportional to 7,646.23, 11,470.49 and 2,715.46

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Solution

The fourth proportional to 7,646.23, 11,470.49 and 2,715.46 is: 4,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.23 : 11,470.49 = 2,715.46 : x
  2. Step 2: Convert to fraction form
    7,646.23/11,470.49 = 2,715.46/x
  3. Step 3: Cross multiply
    7,646.23x = 11,470.49 × 2,715.46
  4. Step 4: Simplify right side
    7,646.23x = 31,147,624.70
  5. Step 5: Solve for x
    x = 31,147,624.70/7,646.23
  6. Step 6: Final answer
    x = 4,073.59

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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.