Home / 10,375.61-15,544.76-6,668.64

Finding the Fourth Proportional to 10,375.61, 15,544.76 and 6,668.64

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Solution

The fourth proportional to 10,375.61, 15,544.76 and 6,668.64 is: 9,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.61 : 15,544.76 = 6,668.64 : x
  2. Step 2: Convert to fraction form
    10,375.61/15,544.76 = 6,668.64/x
  3. Step 3: Cross multiply
    10,375.61x = 15,544.76 × 6,668.64
  4. Step 4: Simplify right side
    10,375.61x = 103,662,374.98
  5. Step 5: Solve for x
    x = 103,662,374.98/10,375.61
  6. Step 6: Final answer
    x = 9,990.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.