Home / 12,192.01-18,284.37-4,399

Finding the Fourth Proportional to 12,192.01, 18,284.37 and 4,399

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Solution

The fourth proportional to 12,192.01, 18,284.37 and 4,399 is: 6,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.01 : 18,284.37 = 4,399 : x
  2. Step 2: Convert to fraction form
    12,192.01/18,284.37 = 4,399/x
  3. Step 3: Cross multiply
    12,192.01x = 18,284.37 × 4,399
  4. Step 4: Simplify right side
    12,192.01x = 80,432,943.63
  5. Step 5: Solve for x
    x = 80,432,943.63/12,192.01
  6. Step 6: Final answer
    x = 6,597.18

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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.