Home / 12,051.99-18,069.75-3,729.24

Finding the Fourth Proportional to 12,051.99, 18,069.75 and 3,729.24

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Solution

The fourth proportional to 12,051.99, 18,069.75 and 3,729.24 is: 5,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.99 : 18,069.75 = 3,729.24 : x
  2. Step 2: Convert to fraction form
    12,051.99/18,069.75 = 3,729.24/x
  3. Step 3: Cross multiply
    12,051.99x = 18,069.75 × 3,729.24
  4. Step 4: Simplify right side
    12,051.99x = 67,386,434.49
  5. Step 5: Solve for x
    x = 67,386,434.49/12,051.99
  6. Step 6: Final answer
    x = 5,591.31

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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.