Home / 12,625.48-18,938.54-5,227.96

Finding the Fourth Proportional to 12,625.48, 18,938.54 and 5,227.96

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Solution

The fourth proportional to 12,625.48, 18,938.54 and 5,227.96 is: 7,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.48 : 18,938.54 = 5,227.96 : x
  2. Step 2: Convert to fraction form
    12,625.48/18,938.54 = 5,227.96/x
  3. Step 3: Cross multiply
    12,625.48x = 18,938.54 × 5,227.96
  4. Step 4: Simplify right side
    12,625.48x = 99,009,929.58
  5. Step 5: Solve for x
    x = 99,009,929.58/12,625.48
  6. Step 6: Final answer
    x = 7,842.07

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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.