Home / 10,649.94-14,694.36-8,003.70

Finding the Fourth Proportional to 10,649.94, 14,694.36 and 8,003.70

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Solution

The fourth proportional to 10,649.94, 14,694.36 and 8,003.70 is: 11,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.94 : 14,694.36 = 8,003.70 : x
  2. Step 2: Convert to fraction form
    10,649.94/14,694.36 = 8,003.70/x
  3. Step 3: Cross multiply
    10,649.94x = 14,694.36 × 8,003.70
  4. Step 4: Simplify right side
    10,649.94x = 117,609,249.13
  5. Step 5: Solve for x
    x = 117,609,249.13/10,649.94
  6. Step 6: Final answer
    x = 11,043.18

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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.