Home / 12,857.25-19,278.95-5,833.43

Finding the Fourth Proportional to 12,857.25, 19,278.95 and 5,833.43

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Solution

The fourth proportional to 12,857.25, 19,278.95 and 5,833.43 is: 8,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857.25 : 19,278.95 = 5,833.43 : x
  2. Step 2: Convert to fraction form
    12,857.25/19,278.95 = 5,833.43/x
  3. Step 3: Cross multiply
    12,857.25x = 19,278.95 × 5,833.43
  4. Step 4: Simplify right side
    12,857.25x = 112,462,424.33
  5. Step 5: Solve for x
    x = 112,462,424.33/12,857.25
  6. Step 6: Final answer
    x = 8,747.00

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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.