Home / 6,857.73-10,287.45-2,176.47

Finding the Fourth Proportional to 6,857.73, 10,287.45 and 2,176.47

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Solution

The fourth proportional to 6,857.73, 10,287.45 and 2,176.47 is: 3,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.73 : 10,287.45 = 2,176.47 : x
  2. Step 2: Convert to fraction form
    6,857.73/10,287.45 = 2,176.47/x
  3. Step 3: Cross multiply
    6,857.73x = 10,287.45 × 2,176.47
  4. Step 4: Simplify right side
    6,857.73x = 22,390,326.30
  5. Step 5: Solve for x
    x = 22,390,326.30/6,857.73
  6. Step 6: Final answer
    x = 3,264.98

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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.