Home / 10,517.10-15,767.80-6,356.17

Finding the Fourth Proportional to 10,517.10, 15,767.80 and 6,356.17

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Solution

The fourth proportional to 10,517.10, 15,767.80 and 6,356.17 is: 9,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.10 : 15,767.80 = 6,356.17 : x
  2. Step 2: Convert to fraction form
    10,517.10/15,767.80 = 6,356.17/x
  3. Step 3: Cross multiply
    10,517.10x = 15,767.80 × 6,356.17
  4. Step 4: Simplify right side
    10,517.10x = 100,222,817.33
  5. Step 5: Solve for x
    x = 100,222,817.33/10,517.10
  6. Step 6: Final answer
    x = 9,529.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.