Home / 11,137.72-15,369.25-6,101.13

Finding the Fourth Proportional to 11,137.72, 15,369.25 and 6,101.13

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Solution

The fourth proportional to 11,137.72, 15,369.25 and 6,101.13 is: 8,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.72 : 15,369.25 = 6,101.13 : x
  2. Step 2: Convert to fraction form
    11,137.72/15,369.25 = 6,101.13/x
  3. Step 3: Cross multiply
    11,137.72x = 15,369.25 × 6,101.13
  4. Step 4: Simplify right side
    11,137.72x = 93,769,792.25
  5. Step 5: Solve for x
    x = 93,769,792.25/11,137.72
  6. Step 6: Final answer
    x = 8,419.12

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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.