Home / 12,862.35-19,297.42-6,113.05

Finding the Fourth Proportional to 12,862.35, 19,297.42 and 6,113.05

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Solution

The fourth proportional to 12,862.35, 19,297.42 and 6,113.05 is: 9,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.35 : 19,297.42 = 6,113.05 : x
  2. Step 2: Convert to fraction form
    12,862.35/19,297.42 = 6,113.05/x
  3. Step 3: Cross multiply
    12,862.35x = 19,297.42 × 6,113.05
  4. Step 4: Simplify right side
    12,862.35x = 117,966,029.80
  5. Step 5: Solve for x
    x = 117,966,029.80/12,862.35
  6. Step 6: Final answer
    x = 9,171.42

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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.