Home / 10,491.74-15,732.90-3,093.60

Finding the Fourth Proportional to 10,491.74, 15,732.90 and 3,093.60

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Solution

The fourth proportional to 10,491.74, 15,732.90 and 3,093.60 is: 4,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.74 : 15,732.90 = 3,093.60 : x
  2. Step 2: Convert to fraction form
    10,491.74/15,732.90 = 3,093.60/x
  3. Step 3: Cross multiply
    10,491.74x = 15,732.90 × 3,093.60
  4. Step 4: Simplify right side
    10,491.74x = 48,671,299.44
  5. Step 5: Solve for x
    x = 48,671,299.44/10,491.74
  6. Step 6: Final answer
    x = 4,639.01

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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.