Home / 11,640.66-16,063.95-6,335.49

Finding the Fourth Proportional to 11,640.66, 16,063.95 and 6,335.49

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Solution

The fourth proportional to 11,640.66, 16,063.95 and 6,335.49 is: 8,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.66 : 16,063.95 = 6,335.49 : x
  2. Step 2: Convert to fraction form
    11,640.66/16,063.95 = 6,335.49/x
  3. Step 3: Cross multiply
    11,640.66x = 16,063.95 × 6,335.49
  4. Step 4: Simplify right side
    11,640.66x = 101,772,994.59
  5. Step 5: Solve for x
    x = 101,772,994.59/11,640.66
  6. Step 6: Final answer
    x = 8,742.89

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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.