Home / 7,358.01-10,149.78-4,668.21

Finding the Fourth Proportional to 7,358.01, 10,149.78 and 4,668.21

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Solution

The fourth proportional to 7,358.01, 10,149.78 and 4,668.21 is: 6,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.01 : 10,149.78 = 4,668.21 : x
  2. Step 2: Convert to fraction form
    7,358.01/10,149.78 = 4,668.21/x
  3. Step 3: Cross multiply
    7,358.01x = 10,149.78 × 4,668.21
  4. Step 4: Simplify right side
    7,358.01x = 47,381,304.49
  5. Step 5: Solve for x
    x = 47,381,304.49/7,358.01
  6. Step 6: Final answer
    x = 6,439.42

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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.