Home / 12,703.40-19,067.38-6,134.20

Finding the Fourth Proportional to 12,703.40, 19,067.38 and 6,134.20

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Solution

The fourth proportional to 12,703.40, 19,067.38 and 6,134.20 is: 9,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.40 : 19,067.38 = 6,134.20 : x
  2. Step 2: Convert to fraction form
    12,703.40/19,067.38 = 6,134.20/x
  3. Step 3: Cross multiply
    12,703.40x = 19,067.38 × 6,134.20
  4. Step 4: Simplify right side
    12,703.40x = 116,963,122.40
  5. Step 5: Solve for x
    x = 116,963,122.40/12,703.40
  6. Step 6: Final answer
    x = 9,207.23

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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.