Home / 8,727.35-12,044.75-5,190.53

Finding the Fourth Proportional to 8,727.35, 12,044.75 and 5,190.53

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Solution

The fourth proportional to 8,727.35, 12,044.75 and 5,190.53 is: 7,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.35 : 12,044.75 = 5,190.53 : x
  2. Step 2: Convert to fraction form
    8,727.35/12,044.75 = 5,190.53/x
  3. Step 3: Cross multiply
    8,727.35x = 12,044.75 × 5,190.53
  4. Step 4: Simplify right side
    8,727.35x = 62,518,550.04
  5. Step 5: Solve for x
    x = 62,518,550.04/8,727.35
  6. Step 6: Final answer
    x = 7,163.52

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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.