Home / 11,876.14-16,386.42-7,094.80

Finding the Fourth Proportional to 11,876.14, 16,386.42 and 7,094.80

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Solution

The fourth proportional to 11,876.14, 16,386.42 and 7,094.80 is: 9,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.14 : 16,386.42 = 7,094.80 : x
  2. Step 2: Convert to fraction form
    11,876.14/16,386.42 = 7,094.80/x
  3. Step 3: Cross multiply
    11,876.14x = 16,386.42 × 7,094.80
  4. Step 4: Simplify right side
    11,876.14x = 116,258,372.62
  5. Step 5: Solve for x
    x = 116,258,372.62/11,876.14
  6. Step 6: Final answer
    x = 9,789.24

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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.