Home / 11,212.14-16,818.21-4,631.10

Finding the Fourth Proportional to 11,212.14, 16,818.21 and 4,631.10

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Solution

The fourth proportional to 11,212.14, 16,818.21 and 4,631.10 is: 6,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.14 : 16,818.21 = 4,631.10 : x
  2. Step 2: Convert to fraction form
    11,212.14/16,818.21 = 4,631.10/x
  3. Step 3: Cross multiply
    11,212.14x = 16,818.21 × 4,631.10
  4. Step 4: Simplify right side
    11,212.14x = 77,886,812.33
  5. Step 5: Solve for x
    x = 77,886,812.33/11,212.14
  6. Step 6: Final answer
    x = 6,946.65

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Similar ratio
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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.