Home / 8,532.45-11,775.32-5,175.58

Finding the Fourth Proportional to 8,532.45, 11,775.32 and 5,175.58

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Solution

The fourth proportional to 8,532.45, 11,775.32 and 5,175.58 is: 7,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.45 : 11,775.32 = 5,175.58 : x
  2. Step 2: Convert to fraction form
    8,532.45/11,775.32 = 5,175.58/x
  3. Step 3: Cross multiply
    8,532.45x = 11,775.32 × 5,175.58
  4. Step 4: Simplify right side
    8,532.45x = 60,944,110.69
  5. Step 5: Solve for x
    x = 60,944,110.69/8,532.45
  6. Step 6: Final answer
    x = 7,142.63

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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.