Home / 11,298.52-15,579.75-9,505.54

Finding the Fourth Proportional to 11,298.52, 15,579.75 and 9,505.54

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Solution

The fourth proportional to 11,298.52, 15,579.75 and 9,505.54 is: 13,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.52 : 15,579.75 = 9,505.54 : x
  2. Step 2: Convert to fraction form
    11,298.52/15,579.75 = 9,505.54/x
  3. Step 3: Cross multiply
    11,298.52x = 15,579.75 × 9,505.54
  4. Step 4: Simplify right side
    11,298.52x = 148,093,936.82
  5. Step 5: Solve for x
    x = 148,093,936.82/11,298.52
  6. Step 6: Final answer
    x = 13,107.37

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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.