Home / 7,732.15-10,668.58-5,218.92

Finding the Fourth Proportional to 7,732.15, 10,668.58 and 5,218.92

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Solution

The fourth proportional to 7,732.15, 10,668.58 and 5,218.92 is: 7,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.15 : 10,668.58 = 5,218.92 : x
  2. Step 2: Convert to fraction form
    7,732.15/10,668.58 = 5,218.92/x
  3. Step 3: Cross multiply
    7,732.15x = 10,668.58 × 5,218.92
  4. Step 4: Simplify right side
    7,732.15x = 55,678,452.49
  5. Step 5: Solve for x
    x = 55,678,452.49/7,732.15
  6. Step 6: Final answer
    x = 7,200.90

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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.