Home / 12,060.40-18,084.12-3,736.84

Finding the Fourth Proportional to 12,060.40, 18,084.12 and 3,736.84

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Solution

The fourth proportional to 12,060.40, 18,084.12 and 3,736.84 is: 5,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.40 : 18,084.12 = 3,736.84 : x
  2. Step 2: Convert to fraction form
    12,060.40/18,084.12 = 3,736.84/x
  3. Step 3: Cross multiply
    12,060.40x = 18,084.12 × 3,736.84
  4. Step 4: Simplify right side
    12,060.40x = 67,577,462.98
  5. Step 5: Solve for x
    x = 67,577,462.98/12,060.40
  6. Step 6: Final answer
    x = 5,603.25

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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.