Home / 11,195.82-15,442.34-9,505.60

Finding the Fourth Proportional to 11,195.82, 15,442.34 and 9,505.60

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Solution

The fourth proportional to 11,195.82, 15,442.34 and 9,505.60 is: 13,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.82 : 15,442.34 = 9,505.60 : x
  2. Step 2: Convert to fraction form
    11,195.82/15,442.34 = 9,505.60/x
  3. Step 3: Cross multiply
    11,195.82x = 15,442.34 × 9,505.60
  4. Step 4: Simplify right side
    11,195.82x = 146,788,707.10
  5. Step 5: Solve for x
    x = 146,788,707.10/11,195.82
  6. Step 6: Final answer
    x = 13,111.03

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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.