Home / 6,855.17-9,460.06-3,871.94

Finding the Fourth Proportional to 6,855.17, 9,460.06 and 3,871.94

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Solution

The fourth proportional to 6,855.17, 9,460.06 and 3,871.94 is: 5,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.17 : 9,460.06 = 3,871.94 : x
  2. Step 2: Convert to fraction form
    6,855.17/9,460.06 = 3,871.94/x
  3. Step 3: Cross multiply
    6,855.17x = 9,460.06 × 3,871.94
  4. Step 4: Simplify right side
    6,855.17x = 36,628,727.74
  5. Step 5: Solve for x
    x = 36,628,727.74/6,855.17
  6. Step 6: Final answer
    x = 5,343.23

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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.