Home / 11,942.76-16,480.88-6,637.46

Finding the Fourth Proportional to 11,942.76, 16,480.88 and 6,637.46

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Solution

The fourth proportional to 11,942.76, 16,480.88 and 6,637.46 is: 9,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.76 : 16,480.88 = 6,637.46 : x
  2. Step 2: Convert to fraction form
    11,942.76/16,480.88 = 6,637.46/x
  3. Step 3: Cross multiply
    11,942.76x = 16,480.88 × 6,637.46
  4. Step 4: Simplify right side
    11,942.76x = 109,391,181.76
  5. Step 5: Solve for x
    x = 109,391,181.76/11,942.76
  6. Step 6: Final answer
    x = 9,159.62

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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.