Home / 11,924.20-16,456.91-7,208.47

Finding the Fourth Proportional to 11,924.20, 16,456.91 and 7,208.47

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Solution

The fourth proportional to 11,924.20, 16,456.91 and 7,208.47 is: 9,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.20 : 16,456.91 = 7,208.47 : x
  2. Step 2: Convert to fraction form
    11,924.20/16,456.91 = 7,208.47/x
  3. Step 3: Cross multiply
    11,924.20x = 16,456.91 × 7,208.47
  4. Step 4: Simplify right side
    11,924.20x = 118,629,023.70
  5. Step 5: Solve for x
    x = 118,629,023.70/11,924.20
  6. Step 6: Final answer
    x = 9,948.60

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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.