Home / 9,553.39-13,186.47-6,371.31

Finding the Fourth Proportional to 9,553.39, 13,186.47 and 6,371.31

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Solution

The fourth proportional to 9,553.39, 13,186.47 and 6,371.31 is: 8,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.39 : 13,186.47 = 6,371.31 : x
  2. Step 2: Convert to fraction form
    9,553.39/13,186.47 = 6,371.31/x
  3. Step 3: Cross multiply
    9,553.39x = 13,186.47 × 6,371.31
  4. Step 4: Simplify right side
    9,553.39x = 84,015,069.42
  5. Step 5: Solve for x
    x = 84,015,069.42/9,553.39
  6. Step 6: Final answer
    x = 8,794.26

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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.