Home / 7,008.86-9,668.88-4,174.61

Finding the Fourth Proportional to 7,008.86, 9,668.88 and 4,174.61

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Solution

The fourth proportional to 7,008.86, 9,668.88 and 4,174.61 is: 5,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.86 : 9,668.88 = 4,174.61 : x
  2. Step 2: Convert to fraction form
    7,008.86/9,668.88 = 4,174.61/x
  3. Step 3: Cross multiply
    7,008.86x = 9,668.88 × 4,174.61
  4. Step 4: Simplify right side
    7,008.86x = 40,363,754.79
  5. Step 5: Solve for x
    x = 40,363,754.79/7,008.86
  6. Step 6: Final answer
    x = 5,758.97

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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.