Home / 12,113.54-18,169.27-3,347.63

Finding the Fourth Proportional to 12,113.54, 18,169.27 and 3,347.63

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Solution

The fourth proportional to 12,113.54, 18,169.27 and 3,347.63 is: 5,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.54 : 18,169.27 = 3,347.63 : x
  2. Step 2: Convert to fraction form
    12,113.54/18,169.27 = 3,347.63/x
  3. Step 3: Cross multiply
    12,113.54x = 18,169.27 × 3,347.63
  4. Step 4: Simplify right side
    12,113.54x = 60,823,894.11
  5. Step 5: Solve for x
    x = 60,823,894.11/12,113.54
  6. Step 6: Final answer
    x = 5,021.15

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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.