Home / 12,262.32-16,930.68-9,576.56

Finding the Fourth Proportional to 12,262.32, 16,930.68 and 9,576.56

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Solution

The fourth proportional to 12,262.32, 16,930.68 and 9,576.56 is: 13,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.32 : 16,930.68 = 9,576.56 : x
  2. Step 2: Convert to fraction form
    12,262.32/16,930.68 = 9,576.56/x
  3. Step 3: Cross multiply
    12,262.32x = 16,930.68 × 9,576.56
  4. Step 4: Simplify right side
    12,262.32x = 162,137,715.19
  5. Step 5: Solve for x
    x = 162,137,715.19/12,262.32
  6. Step 6: Final answer
    x = 13,222.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.