Home / 8,247.42-11,384.55-5,103

Finding the Fourth Proportional to 8,247.42, 11,384.55 and 5,103

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Solution

The fourth proportional to 8,247.42, 11,384.55 and 5,103 is: 7,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.42 : 11,384.55 = 5,103 : x
  2. Step 2: Convert to fraction form
    8,247.42/11,384.55 = 5,103/x
  3. Step 3: Cross multiply
    8,247.42x = 11,384.55 × 5,103
  4. Step 4: Simplify right side
    8,247.42x = 58,095,358.65
  5. Step 5: Solve for x
    x = 58,095,358.65/8,247.42
  6. Step 6: Final answer
    x = 7,044.06

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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.