Home / 7,426.62-11,125.58-4,129.74

Finding the Fourth Proportional to 7,426.62, 11,125.58 and 4,129.74

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Solution

The fourth proportional to 7,426.62, 11,125.58 and 4,129.74 is: 6,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.62 : 11,125.58 = 4,129.74 : x
  2. Step 2: Convert to fraction form
    7,426.62/11,125.58 = 4,129.74/x
  3. Step 3: Cross multiply
    7,426.62x = 11,125.58 × 4,129.74
  4. Step 4: Simplify right side
    7,426.62x = 45,945,732.10
  5. Step 5: Solve for x
    x = 45,945,732.10/7,426.62
  6. Step 6: Final answer
    x = 6,186.63

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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.