Home / 7,647.11-10,573.82-6,662.96

Finding the Fourth Proportional to 7,647.11, 10,573.82 and 6,662.96

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Solution

The fourth proportional to 7,647.11, 10,573.82 and 6,662.96 is: 9,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.11 : 10,573.82 = 6,662.96 : x
  2. Step 2: Convert to fraction form
    7,647.11/10,573.82 = 6,662.96/x
  3. Step 3: Cross multiply
    7,647.11x = 10,573.82 × 6,662.96
  4. Step 4: Simplify right side
    7,647.11x = 70,452,853.52
  5. Step 5: Solve for x
    x = 70,452,853.52/7,647.11
  6. Step 6: Final answer
    x = 9,213.01

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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.