Home / 8,253.24-11,390.40-5,734.68

Finding the Fourth Proportional to 8,253.24, 11,390.40 and 5,734.68

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Solution

The fourth proportional to 8,253.24, 11,390.40 and 5,734.68 is: 7,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.24 : 11,390.40 = 5,734.68 : x
  2. Step 2: Convert to fraction form
    8,253.24/11,390.40 = 5,734.68/x
  3. Step 3: Cross multiply
    8,253.24x = 11,390.40 × 5,734.68
  4. Step 4: Simplify right side
    8,253.24x = 65,320,299.07
  5. Step 5: Solve for x
    x = 65,320,299.07/8,253.24
  6. Step 6: Final answer
    x = 7,914.50

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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.