Home / 7,214.91-10,818.60-4,874.82

Finding the Fourth Proportional to 7,214.91, 10,818.60 and 4,874.82

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Solution

The fourth proportional to 7,214.91, 10,818.60 and 4,874.82 is: 7,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.91 : 10,818.60 = 4,874.82 : x
  2. Step 2: Convert to fraction form
    7,214.91/10,818.60 = 4,874.82/x
  3. Step 3: Cross multiply
    7,214.91x = 10,818.60 × 4,874.82
  4. Step 4: Simplify right side
    7,214.91x = 52,738,727.65
  5. Step 5: Solve for x
    x = 52,738,727.65/7,214.91
  6. Step 6: Final answer
    x = 7,309.69

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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.