Home / 11,014.20-16,521.30-7,304.40

Finding the Fourth Proportional to 11,014.20, 16,521.30 and 7,304.40

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Solution

The fourth proportional to 11,014.20, 16,521.30 and 7,304.40 is: 10,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.20 : 16,521.30 = 7,304.40 : x
  2. Step 2: Convert to fraction form
    11,014.20/16,521.30 = 7,304.40/x
  3. Step 3: Cross multiply
    11,014.20x = 16,521.30 × 7,304.40
  4. Step 4: Simplify right side
    11,014.20x = 120,678,183.72
  5. Step 5: Solve for x
    x = 120,678,183.72/11,014.20
  6. Step 6: Final answer
    x = 10,956.60

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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.