Home / 12,006.08-18,009.08-5,764.56

Finding the Fourth Proportional to 12,006.08, 18,009.08 and 5,764.56

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Solution

The fourth proportional to 12,006.08, 18,009.08 and 5,764.56 is: 8,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.08 : 18,009.08 = 5,764.56 : x
  2. Step 2: Convert to fraction form
    12,006.08/18,009.08 = 5,764.56/x
  3. Step 3: Cross multiply
    12,006.08x = 18,009.08 × 5,764.56
  4. Step 4: Simplify right side
    12,006.08x = 103,814,422.20
  5. Step 5: Solve for x
    x = 103,814,422.20/12,006.08
  6. Step 6: Final answer
    x = 8,646.82

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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.