Home / 10,340.92-15,513.30-4,790.60

Finding the Fourth Proportional to 10,340.92, 15,513.30 and 4,790.60

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Solution

The fourth proportional to 10,340.92, 15,513.30 and 4,790.60 is: 7,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.92 : 15,513.30 = 4,790.60 : x
  2. Step 2: Convert to fraction form
    10,340.92/15,513.30 = 4,790.60/x
  3. Step 3: Cross multiply
    10,340.92x = 15,513.30 × 4,790.60
  4. Step 4: Simplify right side
    10,340.92x = 74,318,014.98
  5. Step 5: Solve for x
    x = 74,318,014.98/10,340.92
  6. Step 6: Final answer
    x = 7,186.79

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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.