Home / 10,446.58-15,671.62-5,181.86

Finding the Fourth Proportional to 10,446.58, 15,671.62 and 5,181.86

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Solution

The fourth proportional to 10,446.58, 15,671.62 and 5,181.86 is: 7,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.58 : 15,671.62 = 5,181.86 : x
  2. Step 2: Convert to fraction form
    10,446.58/15,671.62 = 5,181.86/x
  3. Step 3: Cross multiply
    10,446.58x = 15,671.62 × 5,181.86
  4. Step 4: Simplify right side
    10,446.58x = 81,208,140.81
  5. Step 5: Solve for x
    x = 81,208,140.81/10,446.58
  6. Step 6: Final answer
    x = 7,773.66

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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.