Home / 12,008.23-18,006.57-5,677.83

Finding the Fourth Proportional to 12,008.23, 18,006.57 and 5,677.83

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Solution

The fourth proportional to 12,008.23, 18,006.57 and 5,677.83 is: 8,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.23 : 18,006.57 = 5,677.83 : x
  2. Step 2: Convert to fraction form
    12,008.23/18,006.57 = 5,677.83/x
  3. Step 3: Cross multiply
    12,008.23x = 18,006.57 × 5,677.83
  4. Step 4: Simplify right side
    12,008.23x = 102,238,184.13
  5. Step 5: Solve for x
    x = 102,238,184.13/12,008.23
  6. Step 6: Final answer
    x = 8,514.01

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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.