Home / 11,659.34-16,003.80-10,372.20

Finding the Fourth Proportional to 11,659.34, 16,003.80 and 10,372.20

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Solution

The fourth proportional to 11,659.34, 16,003.80 and 10,372.20 is: 14,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.34 : 16,003.80 = 10,372.20 : x
  2. Step 2: Convert to fraction form
    11,659.34/16,003.80 = 10,372.20/x
  3. Step 3: Cross multiply
    11,659.34x = 16,003.80 × 10,372.20
  4. Step 4: Simplify right side
    11,659.34x = 165,994,575.46
  5. Step 5: Solve for x
    x = 165,994,575.46/11,659.34
  6. Step 6: Final answer
    x = 14,237.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.