Home / 12,347.56-18,512.94-4,552.12

Finding the Fourth Proportional to 12,347.56, 18,512.94 and 4,552.12

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Solution

The fourth proportional to 12,347.56, 18,512.94 and 4,552.12 is: 6,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.56 : 18,512.94 = 4,552.12 : x
  2. Step 2: Convert to fraction form
    12,347.56/18,512.94 = 4,552.12/x
  3. Step 3: Cross multiply
    12,347.56x = 18,512.94 × 4,552.12
  4. Step 4: Simplify right side
    12,347.56x = 84,273,124.43
  5. Step 5: Solve for x
    x = 84,273,124.43/12,347.56
  6. Step 6: Final answer
    x = 6,825.08

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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.