Home / 11,118.15-15,343.02-6,644.52

Finding the Fourth Proportional to 11,118.15, 15,343.02 and 6,644.52

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Solution

The fourth proportional to 11,118.15, 15,343.02 and 6,644.52 is: 9,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.15 : 15,343.02 = 6,644.52 : x
  2. Step 2: Convert to fraction form
    11,118.15/15,343.02 = 6,644.52/x
  3. Step 3: Cross multiply
    11,118.15x = 15,343.02 × 6,644.52
  4. Step 4: Simplify right side
    11,118.15x = 101,946,926.54
  5. Step 5: Solve for x
    x = 101,946,926.54/11,118.15
  6. Step 6: Final answer
    x = 9,169.42

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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.