Home / 11,312.46-16,965.95-4,743.56

Finding the Fourth Proportional to 11,312.46, 16,965.95 and 4,743.56

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Solution

The fourth proportional to 11,312.46, 16,965.95 and 4,743.56 is: 7,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.46 : 16,965.95 = 4,743.56 : x
  2. Step 2: Convert to fraction form
    11,312.46/16,965.95 = 4,743.56/x
  3. Step 3: Cross multiply
    11,312.46x = 16,965.95 × 4,743.56
  4. Step 4: Simplify right side
    11,312.46x = 80,479,020.48
  5. Step 5: Solve for x
    x = 80,479,020.48/11,312.46
  6. Step 6: Final answer
    x = 7,114.19

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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.