Home / 8,452.20-11,668.10-5,624.28

Finding the Fourth Proportional to 8,452.20, 11,668.10 and 5,624.28

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Solution

The fourth proportional to 8,452.20, 11,668.10 and 5,624.28 is: 7,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.20 : 11,668.10 = 5,624.28 : x
  2. Step 2: Convert to fraction form
    8,452.20/11,668.10 = 5,624.28/x
  3. Step 3: Cross multiply
    8,452.20x = 11,668.10 × 5,624.28
  4. Step 4: Simplify right side
    8,452.20x = 65,624,661.47
  5. Step 5: Solve for x
    x = 65,624,661.47/8,452.20
  6. Step 6: Final answer
    x = 7,764.21

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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.