Home / 6,857.28-9,462.51-3,873.41

Finding the Fourth Proportional to 6,857.28, 9,462.51 and 3,873.41

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Solution

The fourth proportional to 6,857.28, 9,462.51 and 3,873.41 is: 5,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.28 : 9,462.51 = 3,873.41 : x
  2. Step 2: Convert to fraction form
    6,857.28/9,462.51 = 3,873.41/x
  3. Step 3: Cross multiply
    6,857.28x = 9,462.51 × 3,873.41
  4. Step 4: Simplify right side
    6,857.28x = 36,652,180.86
  5. Step 5: Solve for x
    x = 36,652,180.86/6,857.28
  6. Step 6: Final answer
    x = 5,345.00

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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.