Home / 10,681.76-16,022.64-4,111.04

Finding the Fourth Proportional to 10,681.76, 16,022.64 and 4,111.04

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Solution

The fourth proportional to 10,681.76, 16,022.64 and 4,111.04 is: 6,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.76 : 16,022.64 = 4,111.04 : x
  2. Step 2: Convert to fraction form
    10,681.76/16,022.64 = 4,111.04/x
  3. Step 3: Cross multiply
    10,681.76x = 16,022.64 × 4,111.04
  4. Step 4: Simplify right side
    10,681.76x = 65,869,713.95
  5. Step 5: Solve for x
    x = 65,869,713.95/10,681.76
  6. Step 6: Final answer
    x = 6,166.56

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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.