Home / 7,672.08-11,506.40-2,992.20

Finding the Fourth Proportional to 7,672.08, 11,506.40 and 2,992.20

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Solution

The fourth proportional to 7,672.08, 11,506.40 and 2,992.20 is: 4,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.08 : 11,506.40 = 2,992.20 : x
  2. Step 2: Convert to fraction form
    7,672.08/11,506.40 = 2,992.20/x
  3. Step 3: Cross multiply
    7,672.08x = 11,506.40 × 2,992.20
  4. Step 4: Simplify right side
    7,672.08x = 34,429,450.08
  5. Step 5: Solve for x
    x = 34,429,450.08/7,672.08
  6. Step 6: Final answer
    x = 4,487.63

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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.