Home / 8,366.49-11,553.56-5,387.51

Finding the Fourth Proportional to 8,366.49, 11,553.56 and 5,387.51

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Solution

The fourth proportional to 8,366.49, 11,553.56 and 5,387.51 is: 7,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.49 : 11,553.56 = 5,387.51 : x
  2. Step 2: Convert to fraction form
    8,366.49/11,553.56 = 5,387.51/x
  3. Step 3: Cross multiply
    8,366.49x = 11,553.56 × 5,387.51
  4. Step 4: Simplify right side
    8,366.49x = 62,244,933.50
  5. Step 5: Solve for x
    x = 62,244,933.50/8,366.49
  6. Step 6: Final answer
    x = 7,439.79

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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.