Home / 12,030.08-18,048.24-3,709.91

Finding the Fourth Proportional to 12,030.08, 18,048.24 and 3,709.91

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Solution

The fourth proportional to 12,030.08, 18,048.24 and 3,709.91 is: 5,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.08 : 18,048.24 = 3,709.91 : x
  2. Step 2: Convert to fraction form
    12,030.08/18,048.24 = 3,709.91/x
  3. Step 3: Cross multiply
    12,030.08x = 18,048.24 × 3,709.91
  4. Step 4: Simplify right side
    12,030.08x = 66,957,414.59
  5. Step 5: Solve for x
    x = 66,957,414.59/12,030.08
  6. Step 6: Final answer
    x = 5,565.83

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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.