Home / 10,788.54-16,162.08-6,616.39

Finding the Fourth Proportional to 10,788.54, 16,162.08 and 6,616.39

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Solution

The fourth proportional to 10,788.54, 16,162.08 and 6,616.39 is: 9,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.54 : 16,162.08 = 6,616.39 : x
  2. Step 2: Convert to fraction form
    10,788.54/16,162.08 = 6,616.39/x
  3. Step 3: Cross multiply
    10,788.54x = 16,162.08 × 6,616.39
  4. Step 4: Simplify right side
    10,788.54x = 106,934,543.68
  5. Step 5: Solve for x
    x = 106,934,543.68/10,788.54
  6. Step 6: Final answer
    x = 9,911.86

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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.