Home / 12,295.37-18,443.07-3,528.24

Finding the Fourth Proportional to 12,295.37, 18,443.07 and 3,528.24

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Solution

The fourth proportional to 12,295.37, 18,443.07 and 3,528.24 is: 5,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.37 : 18,443.07 = 3,528.24 : x
  2. Step 2: Convert to fraction form
    12,295.37/18,443.07 = 3,528.24/x
  3. Step 3: Cross multiply
    12,295.37x = 18,443.07 × 3,528.24
  4. Step 4: Simplify right side
    12,295.37x = 65,071,577.30
  5. Step 5: Solve for x
    x = 65,071,577.30/12,295.37
  6. Step 6: Final answer
    x = 5,292.37

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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.