Home / 6,867.14-9,478.02-3,882.98

Finding the Fourth Proportional to 6,867.14, 9,478.02 and 3,882.98

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Solution

The fourth proportional to 6,867.14, 9,478.02 and 3,882.98 is: 5,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.14 : 9,478.02 = 3,882.98 : x
  2. Step 2: Convert to fraction form
    6,867.14/9,478.02 = 3,882.98/x
  3. Step 3: Cross multiply
    6,867.14x = 9,478.02 × 3,882.98
  4. Step 4: Simplify right side
    6,867.14x = 36,802,962.10
  5. Step 5: Solve for x
    x = 36,802,962.10/6,867.14
  6. Step 6: Final answer
    x = 5,359.29

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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.