Home / 12,069.18-18,103.77-5,045.36

Finding the Fourth Proportional to 12,069.18, 18,103.77 and 5,045.36

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Solution

The fourth proportional to 12,069.18, 18,103.77 and 5,045.36 is: 7,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.18 : 18,103.77 = 5,045.36 : x
  2. Step 2: Convert to fraction form
    12,069.18/18,103.77 = 5,045.36/x
  3. Step 3: Cross multiply
    12,069.18x = 18,103.77 × 5,045.36
  4. Step 4: Simplify right side
    12,069.18x = 91,339,946.49
  5. Step 5: Solve for x
    x = 91,339,946.49/12,069.18
  6. Step 6: Final answer
    x = 7,568.03

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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.