Home / 12,089.24-18,125.35-4,687.46

Finding the Fourth Proportional to 12,089.24, 18,125.35 and 4,687.46

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Solution

The fourth proportional to 12,089.24, 18,125.35 and 4,687.46 is: 7,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.24 : 18,125.35 = 4,687.46 : x
  2. Step 2: Convert to fraction form
    12,089.24/18,125.35 = 4,687.46/x
  3. Step 3: Cross multiply
    12,089.24x = 18,125.35 × 4,687.46
  4. Step 4: Simplify right side
    12,089.24x = 84,961,739.05
  5. Step 5: Solve for x
    x = 84,961,739.05/12,089.24
  6. Step 6: Final answer
    x = 7,027.88

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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.