Home / 11,386.76-16,966.94-10,144.62

Finding the Fourth Proportional to 11,386.76, 16,966.94 and 10,144.62

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Solution

The fourth proportional to 11,386.76, 16,966.94 and 10,144.62 is: 15,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.76 : 16,966.94 = 10,144.62 : x
  2. Step 2: Convert to fraction form
    11,386.76/16,966.94 = 10,144.62/x
  3. Step 3: Cross multiply
    11,386.76x = 16,966.94 × 10,144.62
  4. Step 4: Simplify right side
    11,386.76x = 172,123,175.92
  5. Step 5: Solve for x
    x = 172,123,175.92/11,386.76
  6. Step 6: Final answer
    x = 15,116.08

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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.