Home / 12,038.20-18,050.10-6,206.20

Finding the Fourth Proportional to 12,038.20, 18,050.10 and 6,206.20

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Solution

The fourth proportional to 12,038.20, 18,050.10 and 6,206.20 is: 9,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.20 : 18,050.10 = 6,206.20 : x
  2. Step 2: Convert to fraction form
    12,038.20/18,050.10 = 6,206.20/x
  3. Step 3: Cross multiply
    12,038.20x = 18,050.10 × 6,206.20
  4. Step 4: Simplify right side
    12,038.20x = 112,022,530.62
  5. Step 5: Solve for x
    x = 112,022,530.62/12,038.20
  6. Step 6: Final answer
    x = 9,305.59

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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.