Home / 10,981.86-16,466.31-4,056.90

Finding the Fourth Proportional to 10,981.86, 16,466.31 and 4,056.90

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Solution

The fourth proportional to 10,981.86, 16,466.31 and 4,056.90 is: 6,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.86 : 16,466.31 = 4,056.90 : x
  2. Step 2: Convert to fraction form
    10,981.86/16,466.31 = 4,056.90/x
  3. Step 3: Cross multiply
    10,981.86x = 16,466.31 × 4,056.90
  4. Step 4: Simplify right side
    10,981.86x = 66,802,173.04
  5. Step 5: Solve for x
    x = 66,802,173.04/10,981.86
  6. Step 6: Final answer
    x = 6,082.96

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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.