Home / 11,003.84-15,168.50-6,747.02

Finding the Fourth Proportional to 11,003.84, 15,168.50 and 6,747.02

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Solution

The fourth proportional to 11,003.84, 15,168.50 and 6,747.02 is: 9,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.84 : 15,168.50 = 6,747.02 : x
  2. Step 2: Convert to fraction form
    11,003.84/15,168.50 = 6,747.02/x
  3. Step 3: Cross multiply
    11,003.84x = 15,168.50 × 6,747.02
  4. Step 4: Simplify right side
    11,003.84x = 102,342,063.29
  5. Step 5: Solve for x
    x = 102,342,063.29/11,003.84
  6. Step 6: Final answer
    x = 9,300.58

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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.