Home / 12,633.56-18,955.25-5,236.13

Finding the Fourth Proportional to 12,633.56, 18,955.25 and 5,236.13

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Solution

The fourth proportional to 12,633.56, 18,955.25 and 5,236.13 is: 7,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.56 : 18,955.25 = 5,236.13 : x
  2. Step 2: Convert to fraction form
    12,633.56/18,955.25 = 5,236.13/x
  3. Step 3: Cross multiply
    12,633.56x = 18,955.25 × 5,236.13
  4. Step 4: Simplify right side
    12,633.56x = 99,252,032.23
  5. Step 5: Solve for x
    x = 99,252,032.23/12,633.56
  6. Step 6: Final answer
    x = 7,856.22

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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.