Home / 11,143.14-15,377.52-6,107.37

Finding the Fourth Proportional to 11,143.14, 15,377.52 and 6,107.37

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Solution

The fourth proportional to 11,143.14, 15,377.52 and 6,107.37 is: 8,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.14 : 15,377.52 = 6,107.37 : x
  2. Step 2: Convert to fraction form
    11,143.14/15,377.52 = 6,107.37/x
  3. Step 3: Cross multiply
    11,143.14x = 15,377.52 × 6,107.37
  4. Step 4: Simplify right side
    11,143.14x = 93,916,204.32
  5. Step 5: Solve for x
    x = 93,916,204.32/11,143.14
  6. Step 6: Final answer
    x = 8,428.16

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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.