Home / 10,097.22-13,933.75-5,620.85

Finding the Fourth Proportional to 10,097.22, 13,933.75 and 5,620.85

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Solution

The fourth proportional to 10,097.22, 13,933.75 and 5,620.85 is: 7,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.22 : 13,933.75 = 5,620.85 : x
  2. Step 2: Convert to fraction form
    10,097.22/13,933.75 = 5,620.85/x
  3. Step 3: Cross multiply
    10,097.22x = 13,933.75 × 5,620.85
  4. Step 4: Simplify right side
    10,097.22x = 78,319,518.69
  5. Step 5: Solve for x
    x = 78,319,518.69/10,097.22
  6. Step 6: Final answer
    x = 7,756.54

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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.