Home / 12,398.88-18,632.37-6,559.62

Finding the Fourth Proportional to 12,398.88, 18,632.37 and 6,559.62

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Solution

The fourth proportional to 12,398.88, 18,632.37 and 6,559.62 is: 9,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.88 : 18,632.37 = 6,559.62 : x
  2. Step 2: Convert to fraction form
    12,398.88/18,632.37 = 6,559.62/x
  3. Step 3: Cross multiply
    12,398.88x = 18,632.37 × 6,559.62
  4. Step 4: Simplify right side
    12,398.88x = 122,221,266.90
  5. Step 5: Solve for x
    x = 122,221,266.90/12,398.88
  6. Step 6: Final answer
    x = 9,857.44

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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.