Home / 10,251.86-14,147.24-5,775.35

Finding the Fourth Proportional to 10,251.86, 14,147.24 and 5,775.35

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Solution

The fourth proportional to 10,251.86, 14,147.24 and 5,775.35 is: 7,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.86 : 14,147.24 = 5,775.35 : x
  2. Step 2: Convert to fraction form
    10,251.86/14,147.24 = 5,775.35/x
  3. Step 3: Cross multiply
    10,251.86x = 14,147.24 × 5,775.35
  4. Step 4: Simplify right side
    10,251.86x = 81,705,191.80
  5. Step 5: Solve for x
    x = 81,705,191.80/10,251.86
  6. Step 6: Final answer
    x = 7,969.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.