Home / 11,785.57-17,683.15-7,573.54

Finding the Fourth Proportional to 11,785.57, 17,683.15 and 7,573.54

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Solution

The fourth proportional to 11,785.57, 17,683.15 and 7,573.54 is: 11,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.57 : 17,683.15 = 7,573.54 : x
  2. Step 2: Convert to fraction form
    11,785.57/17,683.15 = 7,573.54/x
  3. Step 3: Cross multiply
    11,785.57x = 17,683.15 × 7,573.54
  4. Step 4: Simplify right side
    11,785.57x = 133,924,043.85
  5. Step 5: Solve for x
    x = 133,924,043.85/11,785.57
  6. Step 6: Final answer
    x = 11,363.39

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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.