Home / 12,227.74-18,342.82-4,437.16

Finding the Fourth Proportional to 12,227.74, 18,342.82 and 4,437.16

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Solution

The fourth proportional to 12,227.74, 18,342.82 and 4,437.16 is: 6,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.74 : 18,342.82 = 4,437.16 : x
  2. Step 2: Convert to fraction form
    12,227.74/18,342.82 = 4,437.16/x
  3. Step 3: Cross multiply
    12,227.74x = 18,342.82 × 4,437.16
  4. Step 4: Simplify right side
    12,227.74x = 81,389,913.29
  5. Step 5: Solve for x
    x = 81,389,913.29/12,227.74
  6. Step 6: Final answer
    x = 6,656.17

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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.