Home / 8,253.68-11,395.01-5,425.79

Finding the Fourth Proportional to 8,253.68, 11,395.01 and 5,425.79

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Solution

The fourth proportional to 8,253.68, 11,395.01 and 5,425.79 is: 7,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.68 : 11,395.01 = 5,425.79 : x
  2. Step 2: Convert to fraction form
    8,253.68/11,395.01 = 5,425.79/x
  3. Step 3: Cross multiply
    8,253.68x = 11,395.01 × 5,425.79
  4. Step 4: Simplify right side
    8,253.68x = 61,826,931.31
  5. Step 5: Solve for x
    x = 61,826,931.31/8,253.68
  6. Step 6: Final answer
    x = 7,490.83

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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.