Home / 8,313.18-12,465.60-2,764.57

Finding the Fourth Proportional to 8,313.18, 12,465.60 and 2,764.57

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Solution

The fourth proportional to 8,313.18, 12,465.60 and 2,764.57 is: 4,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.18 : 12,465.60 = 2,764.57 : x
  2. Step 2: Convert to fraction form
    8,313.18/12,465.60 = 2,764.57/x
  3. Step 3: Cross multiply
    8,313.18x = 12,465.60 × 2,764.57
  4. Step 4: Simplify right side
    8,313.18x = 34,462,023.79
  5. Step 5: Solve for x
    x = 34,462,023.79/8,313.18
  6. Step 6: Final answer
    x = 4,145.47

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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.