Home / 7,336.35-10,124.12-3,979.13

Finding the Fourth Proportional to 7,336.35, 10,124.12 and 3,979.13

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Solution

The fourth proportional to 7,336.35, 10,124.12 and 3,979.13 is: 5,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.35 : 10,124.12 = 3,979.13 : x
  2. Step 2: Convert to fraction form
    7,336.35/10,124.12 = 3,979.13/x
  3. Step 3: Cross multiply
    7,336.35x = 10,124.12 × 3,979.13
  4. Step 4: Simplify right side
    7,336.35x = 40,285,189.62
  5. Step 5: Solve for x
    x = 40,285,189.62/7,336.35
  6. Step 6: Final answer
    x = 5,491.18

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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.