Home / 11,629.82-16,041.02-7,649.66

Finding the Fourth Proportional to 11,629.82, 16,041.02 and 7,649.66

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Solution

The fourth proportional to 11,629.82, 16,041.02 and 7,649.66 is: 10,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.82 : 16,041.02 = 7,649.66 : x
  2. Step 2: Convert to fraction form
    11,629.82/16,041.02 = 7,649.66/x
  3. Step 3: Cross multiply
    11,629.82x = 16,041.02 × 7,649.66
  4. Step 4: Simplify right side
    11,629.82x = 122,708,349.05
  5. Step 5: Solve for x
    x = 122,708,349.05/11,629.82
  6. Step 6: Final answer
    x = 10,551.18

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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.