Home / 11,343.40-15,654.50-6,630.44

Finding the Fourth Proportional to 11,343.40, 15,654.50 and 6,630.44

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Solution

The fourth proportional to 11,343.40, 15,654.50 and 6,630.44 is: 9,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.40 : 15,654.50 = 6,630.44 : x
  2. Step 2: Convert to fraction form
    11,343.40/15,654.50 = 6,630.44/x
  3. Step 3: Cross multiply
    11,343.40x = 15,654.50 × 6,630.44
  4. Step 4: Simplify right side
    11,343.40x = 103,796,222.98
  5. Step 5: Solve for x
    x = 103,796,222.98/11,343.40
  6. Step 6: Final answer
    x = 9,150.36

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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.