Home / 12,433.08-18,643.80-3,666.24

Finding the Fourth Proportional to 12,433.08, 18,643.80 and 3,666.24

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Solution

The fourth proportional to 12,433.08, 18,643.80 and 3,666.24 is: 5,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.08 : 18,643.80 = 3,666.24 : x
  2. Step 2: Convert to fraction form
    12,433.08/18,643.80 = 3,666.24/x
  3. Step 3: Cross multiply
    12,433.08x = 18,643.80 × 3,666.24
  4. Step 4: Simplify right side
    12,433.08x = 68,352,645.31
  5. Step 5: Solve for x
    x = 68,352,645.31/12,433.08
  6. Step 6: Final answer
    x = 5,497.64

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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.