Home / 12,027.40-18,027.92-6,184.32

Finding the Fourth Proportional to 12,027.40, 18,027.92 and 6,184.32

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Solution

The fourth proportional to 12,027.40, 18,027.92 and 6,184.32 is: 9,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.40 : 18,027.92 = 6,184.32 : x
  2. Step 2: Convert to fraction form
    12,027.40/18,027.92 = 6,184.32/x
  3. Step 3: Cross multiply
    12,027.40x = 18,027.92 × 6,184.32
  4. Step 4: Simplify right side
    12,027.40x = 111,490,426.21
  5. Step 5: Solve for x
    x = 111,490,426.21/12,027.40
  6. Step 6: Final answer
    x = 9,269.70

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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.