Home / 11,994.96-16,553.40-6,690.13

Finding the Fourth Proportional to 11,994.96, 16,553.40 and 6,690.13

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Solution

The fourth proportional to 11,994.96, 16,553.40 and 6,690.13 is: 9,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.96 : 16,553.40 = 6,690.13 : x
  2. Step 2: Convert to fraction form
    11,994.96/16,553.40 = 6,690.13/x
  3. Step 3: Cross multiply
    11,994.96x = 16,553.40 × 6,690.13
  4. Step 4: Simplify right side
    11,994.96x = 110,744,331.47
  5. Step 5: Solve for x
    x = 110,744,331.47/11,994.96
  6. Step 6: Final answer
    x = 9,232.57

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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.