Home / 12,983.33-19,477.62-4,100.05

Finding the Fourth Proportional to 12,983.33, 19,477.62 and 4,100.05

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Solution

The fourth proportional to 12,983.33, 19,477.62 and 4,100.05 is: 6,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.33 : 19,477.62 = 4,100.05 : x
  2. Step 2: Convert to fraction form
    12,983.33/19,477.62 = 4,100.05/x
  3. Step 3: Cross multiply
    12,983.33x = 19,477.62 × 4,100.05
  4. Step 4: Simplify right side
    12,983.33x = 79,859,193.38
  5. Step 5: Solve for x
    x = 79,859,193.38/12,983.33
  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.