Home / 11,699.17-16,148.17-6,920.77

Finding the Fourth Proportional to 11,699.17, 16,148.17 and 6,920.77

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Solution

The fourth proportional to 11,699.17, 16,148.17 and 6,920.77 is: 9,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.17 : 16,148.17 = 6,920.77 : x
  2. Step 2: Convert to fraction form
    11,699.17/16,148.17 = 6,920.77/x
  3. Step 3: Cross multiply
    11,699.17x = 16,148.17 × 6,920.77
  4. Step 4: Simplify right side
    11,699.17x = 111,757,775.54
  5. Step 5: Solve for x
    x = 111,757,775.54/11,699.17
  6. Step 6: Final answer
    x = 9,552.62

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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.