Home / 12,862.56-19,293.62-3,502.43

Finding the Fourth Proportional to 12,862.56, 19,293.62 and 3,502.43

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Solution

The fourth proportional to 12,862.56, 19,293.62 and 3,502.43 is: 5,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.56 : 19,293.62 = 3,502.43 : x
  2. Step 2: Convert to fraction form
    12,862.56/19,293.62 = 3,502.43/x
  3. Step 3: Cross multiply
    12,862.56x = 19,293.62 × 3,502.43
  4. Step 4: Simplify right side
    12,862.56x = 67,574,439.52
  5. Step 5: Solve for x
    x = 67,574,439.52/12,862.56
  6. Step 6: Final answer
    x = 5,253.58

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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.