Home / 6,857.02-9,462.86-3,873.29

Finding the Fourth Proportional to 6,857.02, 9,462.86 and 3,873.29

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Solution

The fourth proportional to 6,857.02, 9,462.86 and 3,873.29 is: 5,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.02 : 9,462.86 = 3,873.29 : x
  2. Step 2: Convert to fraction form
    6,857.02/9,462.86 = 3,873.29/x
  3. Step 3: Cross multiply
    6,857.02x = 9,462.86 × 3,873.29
  4. Step 4: Simplify right side
    6,857.02x = 36,652,423.87
  5. Step 5: Solve for x
    x = 36,652,423.87/6,857.02
  6. Step 6: Final answer
    x = 5,345.24

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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.