Home / 10,572.75-15,858.51-3,177.05

Finding the Fourth Proportional to 10,572.75, 15,858.51 and 3,177.05

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Solution

The fourth proportional to 10,572.75, 15,858.51 and 3,177.05 is: 4,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.75 : 15,858.51 = 3,177.05 : x
  2. Step 2: Convert to fraction form
    10,572.75/15,858.51 = 3,177.05/x
  3. Step 3: Cross multiply
    10,572.75x = 15,858.51 × 3,177.05
  4. Step 4: Simplify right side
    10,572.75x = 50,383,199.90
  5. Step 5: Solve for x
    x = 50,383,199.90/10,572.75
  6. Step 6: Final answer
    x = 4,765.38

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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.