Home / 11,146.14-15,381.36-6,110.10

Finding the Fourth Proportional to 11,146.14, 15,381.36 and 6,110.10

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Solution

The fourth proportional to 11,146.14, 15,381.36 and 6,110.10 is: 8,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.14 : 15,381.36 = 6,110.10 : x
  2. Step 2: Convert to fraction form
    11,146.14/15,381.36 = 6,110.10/x
  3. Step 3: Cross multiply
    11,146.14x = 15,381.36 × 6,110.10
  4. Step 4: Simplify right side
    11,146.14x = 93,981,647.74
  5. Step 5: Solve for x
    x = 93,981,647.74/11,146.14
  6. Step 6: Final answer
    x = 8,431.77

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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.