Home / 12,066.08-16,649.20-6,761.12

Finding the Fourth Proportional to 12,066.08, 16,649.20 and 6,761.12

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Solution

The fourth proportional to 12,066.08, 16,649.20 and 6,761.12 is: 9,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.08 : 16,649.20 = 6,761.12 : x
  2. Step 2: Convert to fraction form
    12,066.08/16,649.20 = 6,761.12/x
  3. Step 3: Cross multiply
    12,066.08x = 16,649.20 × 6,761.12
  4. Step 4: Simplify right side
    12,066.08x = 112,567,239.10
  5. Step 5: Solve for x
    x = 112,567,239.10/12,066.08
  6. Step 6: Final answer
    x = 9,329.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.