Home / 11,312.08-15,610.80-6,596.80

Finding the Fourth Proportional to 11,312.08, 15,610.80 and 6,596.80

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Solution

The fourth proportional to 11,312.08, 15,610.80 and 6,596.80 is: 9,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.08 : 15,610.80 = 6,596.80 : x
  2. Step 2: Convert to fraction form
    11,312.08/15,610.80 = 6,596.80/x
  3. Step 3: Cross multiply
    11,312.08x = 15,610.80 × 6,596.80
  4. Step 4: Simplify right side
    11,312.08x = 102,981,325.44
  5. Step 5: Solve for x
    x = 102,981,325.44/11,312.08
  6. Step 6: Final answer
    x = 9,103.66

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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.