Home / 11,199.08-15,446.80-9,704.36

Finding the Fourth Proportional to 11,199.08, 15,446.80 and 9,704.36

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Solution

The fourth proportional to 11,199.08, 15,446.80 and 9,704.36 is: 13,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.08 : 15,446.80 = 9,704.36 : x
  2. Step 2: Convert to fraction form
    11,199.08/15,446.80 = 9,704.36/x
  3. Step 3: Cross multiply
    11,199.08x = 15,446.80 × 9,704.36
  4. Step 4: Simplify right side
    11,199.08x = 149,901,308.05
  5. Step 5: Solve for x
    x = 149,901,308.05/11,199.08
  6. Step 6: Final answer
    x = 13,385.14

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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.