Home / 7,450.34-11,159.15-5,479.38

Finding the Fourth Proportional to 7,450.34, 11,159.15 and 5,479.38

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Solution

The fourth proportional to 7,450.34, 11,159.15 and 5,479.38 is: 8,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.34 : 11,159.15 = 5,479.38 : x
  2. Step 2: Convert to fraction form
    7,450.34/11,159.15 = 5,479.38/x
  3. Step 3: Cross multiply
    7,450.34x = 11,159.15 × 5,479.38
  4. Step 4: Simplify right side
    7,450.34x = 61,145,195.93
  5. Step 5: Solve for x
    x = 61,145,195.93/7,450.34
  6. Step 6: Final answer
    x = 8,207.04

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1.5x scale

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.