Home / 11,585.55-17,385.39-10,644.54

Finding the Fourth Proportional to 11,585.55, 17,385.39 and 10,644.54

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Solution

The fourth proportional to 11,585.55, 17,385.39 and 10,644.54 is: 15,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.55 : 17,385.39 = 10,644.54 : x
  2. Step 2: Convert to fraction form
    11,585.55/17,385.39 = 10,644.54/x
  3. Step 3: Cross multiply
    11,585.55x = 17,385.39 × 10,644.54
  4. Step 4: Simplify right side
    11,585.55x = 185,059,414.08
  5. Step 5: Solve for x
    x = 185,059,414.08/11,585.55
  6. Step 6: Final answer
    x = 15,973.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.