Home / 11,678.58-16,116.57-6,373.49

Finding the Fourth Proportional to 11,678.58, 16,116.57 and 6,373.49

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Solution

The fourth proportional to 11,678.58, 16,116.57 and 6,373.49 is: 8,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.58 : 16,116.57 = 6,373.49 : x
  2. Step 2: Convert to fraction form
    11,678.58/16,116.57 = 6,373.49/x
  3. Step 3: Cross multiply
    11,678.58x = 16,116.57 × 6,373.49
  4. Step 4: Simplify right side
    11,678.58x = 102,718,717.15
  5. Step 5: Solve for x
    x = 102,718,717.15/11,678.58
  6. Step 6: Final answer
    x = 8,795.48

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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.