Home / 9,326.05-12,872.67-7,450.70

Finding the Fourth Proportional to 9,326.05, 12,872.67 and 7,450.70

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Solution

The fourth proportional to 9,326.05, 12,872.67 and 7,450.70 is: 10,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.05 : 12,872.67 = 7,450.70 : x
  2. Step 2: Convert to fraction form
    9,326.05/12,872.67 = 7,450.70/x
  3. Step 3: Cross multiply
    9,326.05x = 12,872.67 × 7,450.70
  4. Step 4: Simplify right side
    9,326.05x = 95,910,402.37
  5. Step 5: Solve for x
    x = 95,910,402.37/9,326.05
  6. Step 6: Final answer
    x = 10,284.14

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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.