Home / 12,182.58-18,268.11-5,606.82

Finding the Fourth Proportional to 12,182.58, 18,268.11 and 5,606.82

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Solution

The fourth proportional to 12,182.58, 18,268.11 and 5,606.82 is: 8,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.58 : 18,268.11 = 5,606.82 : x
  2. Step 2: Convert to fraction form
    12,182.58/18,268.11 = 5,606.82/x
  3. Step 3: Cross multiply
    12,182.58x = 18,268.11 × 5,606.82
  4. Step 4: Simplify right side
    12,182.58x = 102,426,004.51
  5. Step 5: Solve for x
    x = 102,426,004.51/12,182.58
  6. Step 6: Final answer
    x = 8,407.58

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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.