Home / 12,192.04-18,299.40-4,801.60

Finding the Fourth Proportional to 12,192.04, 18,299.40 and 4,801.60

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Solution

The fourth proportional to 12,192.04, 18,299.40 and 4,801.60 is: 7,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.04 : 18,299.40 = 4,801.60 : x
  2. Step 2: Convert to fraction form
    12,192.04/18,299.40 = 4,801.60/x
  3. Step 3: Cross multiply
    12,192.04x = 18,299.40 × 4,801.60
  4. Step 4: Simplify right side
    12,192.04x = 87,866,399.04
  5. Step 5: Solve for x
    x = 87,866,399.04/12,192.04
  6. Step 6: Final answer
    x = 7,206.87

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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.