Home / 10,920.24-16,364.70-6,230.52

Finding the Fourth Proportional to 10,920.24, 16,364.70 and 6,230.52

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Solution

The fourth proportional to 10,920.24, 16,364.70 and 6,230.52 is: 9,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.24 : 16,364.70 = 6,230.52 : x
  2. Step 2: Convert to fraction form
    10,920.24/16,364.70 = 6,230.52/x
  3. Step 3: Cross multiply
    10,920.24x = 16,364.70 × 6,230.52
  4. Step 4: Simplify right side
    10,920.24x = 101,960,590.64
  5. Step 5: Solve for x
    x = 101,960,590.64/10,920.24
  6. Step 6: Final answer
    x = 9,336.85

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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.