Home / 7,423.93-11,129.19-3,473.65

Finding the Fourth Proportional to 7,423.93, 11,129.19 and 3,473.65

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Solution

The fourth proportional to 7,423.93, 11,129.19 and 3,473.65 is: 5,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.93 : 11,129.19 = 3,473.65 : x
  2. Step 2: Convert to fraction form
    7,423.93/11,129.19 = 3,473.65/x
  3. Step 3: Cross multiply
    7,423.93x = 11,129.19 × 3,473.65
  4. Step 4: Simplify right side
    7,423.93x = 38,658,910.84
  5. Step 5: Solve for x
    x = 38,658,910.84/7,423.93
  6. Step 6: Final answer
    x = 5,207.34

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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.