Home / 12,531.73-18,799.22-4,208.17

Finding the Fourth Proportional to 12,531.73, 18,799.22 and 4,208.17

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Solution

The fourth proportional to 12,531.73, 18,799.22 and 4,208.17 is: 6,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.73 : 18,799.22 = 4,208.17 : x
  2. Step 2: Convert to fraction form
    12,531.73/18,799.22 = 4,208.17/x
  3. Step 3: Cross multiply
    12,531.73x = 18,799.22 × 4,208.17
  4. Step 4: Simplify right side
    12,531.73x = 79,110,313.63
  5. Step 5: Solve for x
    x = 79,110,313.63/12,531.73
  6. Step 6: Final answer
    x = 6,312.80

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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.