Home / 11,624.88-16,042.68-6,320.04

Finding the Fourth Proportional to 11,624.88, 16,042.68 and 6,320.04

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Solution

The fourth proportional to 11,624.88, 16,042.68 and 6,320.04 is: 8,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.88 : 16,042.68 = 6,320.04 : x
  2. Step 2: Convert to fraction form
    11,624.88/16,042.68 = 6,320.04/x
  3. Step 3: Cross multiply
    11,624.88x = 16,042.68 × 6,320.04
  4. Step 4: Simplify right side
    11,624.88x = 101,390,379.31
  5. Step 5: Solve for x
    x = 101,390,379.31/11,624.88
  6. Step 6: Final answer
    x = 8,721.84

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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.