Home / 8,272.04-11,410.62-5,439.92

Finding the Fourth Proportional to 8,272.04, 11,410.62 and 5,439.92

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Solution

The fourth proportional to 8,272.04, 11,410.62 and 5,439.92 is: 7,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.04 : 11,410.62 = 5,439.92 : x
  2. Step 2: Convert to fraction form
    8,272.04/11,410.62 = 5,439.92/x
  3. Step 3: Cross multiply
    8,272.04x = 11,410.62 × 5,439.92
  4. Step 4: Simplify right side
    8,272.04x = 62,072,859.95
  5. Step 5: Solve for x
    x = 62,072,859.95/8,272.04
  6. Step 6: Final answer
    x = 7,503.94

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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.