Home / 12,296.04-18,450.42-5,720.28

Finding the Fourth Proportional to 12,296.04, 18,450.42 and 5,720.28

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Solution

The fourth proportional to 12,296.04, 18,450.42 and 5,720.28 is: 8,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.04 : 18,450.42 = 5,720.28 : x
  2. Step 2: Convert to fraction form
    12,296.04/18,450.42 = 5,720.28/x
  3. Step 3: Cross multiply
    12,296.04x = 18,450.42 × 5,720.28
  4. Step 4: Simplify right side
    12,296.04x = 105,541,568.52
  5. Step 5: Solve for x
    x = 105,541,568.52/12,296.04
  6. Step 6: Final answer
    x = 8,583.38

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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.