Home / 11,180.39-16,699.14-10,124.69

Finding the Fourth Proportional to 11,180.39, 16,699.14 and 10,124.69

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Solution

The fourth proportional to 11,180.39, 16,699.14 and 10,124.69 is: 15,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.39 : 16,699.14 = 10,124.69 : x
  2. Step 2: Convert to fraction form
    11,180.39/16,699.14 = 10,124.69/x
  3. Step 3: Cross multiply
    11,180.39x = 16,699.14 × 10,124.69
  4. Step 4: Simplify right side
    11,180.39x = 169,073,641.08
  5. Step 5: Solve for x
    x = 169,073,641.08/11,180.39
  6. Step 6: Final answer
    x = 15,122.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.