Home / 10,558.70-15,770.62-9,556.52

Finding the Fourth Proportional to 10,558.70, 15,770.62 and 9,556.52

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Solution

The fourth proportional to 10,558.70, 15,770.62 and 9,556.52 is: 14,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.70 : 15,770.62 = 9,556.52 : x
  2. Step 2: Convert to fraction form
    10,558.70/15,770.62 = 9,556.52/x
  3. Step 3: Cross multiply
    10,558.70x = 15,770.62 × 9,556.52
  4. Step 4: Simplify right side
    10,558.70x = 150,712,245.44
  5. Step 5: Solve for x
    x = 150,712,245.44/10,558.70
  6. Step 6: Final answer
    x = 14,273.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.