Home / 7,339.14-10,131.46-4,920.62

Finding the Fourth Proportional to 7,339.14, 10,131.46 and 4,920.62

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Solution

The fourth proportional to 7,339.14, 10,131.46 and 4,920.62 is: 6,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.14 : 10,131.46 = 4,920.62 : x
  2. Step 2: Convert to fraction form
    7,339.14/10,131.46 = 4,920.62/x
  3. Step 3: Cross multiply
    7,339.14x = 10,131.46 × 4,920.62
  4. Step 4: Simplify right side
    7,339.14x = 49,853,064.71
  5. Step 5: Solve for x
    x = 49,853,064.71/7,339.14
  6. Step 6: Final answer
    x = 6,792.77

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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.