Home / 12,557.22-18,822.46-5,969.49

Finding the Fourth Proportional to 12,557.22, 18,822.46 and 5,969.49

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Solution

The fourth proportional to 12,557.22, 18,822.46 and 5,969.49 is: 8,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.22 : 18,822.46 = 5,969.49 : x
  2. Step 2: Convert to fraction form
    12,557.22/18,822.46 = 5,969.49/x
  3. Step 3: Cross multiply
    12,557.22x = 18,822.46 × 5,969.49
  4. Step 4: Simplify right side
    12,557.22x = 112,360,486.75
  5. Step 5: Solve for x
    x = 112,360,486.75/12,557.22
  6. Step 6: Final answer
    x = 8,947.88

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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.