Home / 11,135.46-16,712.88-6,983.58

Finding the Fourth Proportional to 11,135.46, 16,712.88 and 6,983.58

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Solution

The fourth proportional to 11,135.46, 16,712.88 and 6,983.58 is: 10,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.46 : 16,712.88 = 6,983.58 : x
  2. Step 2: Convert to fraction form
    11,135.46/16,712.88 = 6,983.58/x
  3. Step 3: Cross multiply
    11,135.46x = 16,712.88 × 6,983.58
  4. Step 4: Simplify right side
    11,135.46x = 116,715,734.51
  5. Step 5: Solve for x
    x = 116,715,734.51/11,135.46
  6. Step 6: Final answer
    x = 10,481.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.