Home / 12,370.20-18,557.10-4,048.20

Finding the Fourth Proportional to 12,370.20, 18,557.10 and 4,048.20

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Solution

The fourth proportional to 12,370.20, 18,557.10 and 4,048.20 is: 6,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.20 : 18,557.10 = 4,048.20 : x
  2. Step 2: Convert to fraction form
    12,370.20/18,557.10 = 4,048.20/x
  3. Step 3: Cross multiply
    12,370.20x = 18,557.10 × 4,048.20
  4. Step 4: Simplify right side
    12,370.20x = 75,122,852.22
  5. Step 5: Solve for x
    x = 75,122,852.22/12,370.20
  6. Step 6: Final answer
    x = 6,072.89

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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.