Home / 10,375.86-15,550.10-3,795.72

Finding the Fourth Proportional to 10,375.86, 15,550.10 and 3,795.72

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Solution

The fourth proportional to 10,375.86, 15,550.10 and 3,795.72 is: 5,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.86 : 15,550.10 = 3,795.72 : x
  2. Step 2: Convert to fraction form
    10,375.86/15,550.10 = 3,795.72/x
  3. Step 3: Cross multiply
    10,375.86x = 15,550.10 × 3,795.72
  4. Step 4: Simplify right side
    10,375.86x = 59,023,825.57
  5. Step 5: Solve for x
    x = 59,023,825.57/10,375.86
  6. Step 6: Final answer
    x = 5,688.57

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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.