Home / 12,862.54-19,295.96-4,100.14

Finding the Fourth Proportional to 12,862.54, 19,295.96 and 4,100.14

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Solution

The fourth proportional to 12,862.54, 19,295.96 and 4,100.14 is: 6,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.54 : 19,295.96 = 4,100.14 : x
  2. Step 2: Convert to fraction form
    12,862.54/19,295.96 = 4,100.14/x
  3. Step 3: Cross multiply
    12,862.54x = 19,295.96 × 4,100.14
  4. Step 4: Simplify right side
    12,862.54x = 79,116,137.43
  5. Step 5: Solve for x
    x = 79,116,137.43/12,862.54
  6. Step 6: Final answer
    x = 6,150.90

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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.