Home / 11,900.72-16,423.12-6,523.30

Finding the Fourth Proportional to 11,900.72, 16,423.12 and 6,523.30

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Solution

The fourth proportional to 11,900.72, 16,423.12 and 6,523.30 is: 9,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.72 : 16,423.12 = 6,523.30 : x
  2. Step 2: Convert to fraction form
    11,900.72/16,423.12 = 6,523.30/x
  3. Step 3: Cross multiply
    11,900.72x = 16,423.12 × 6,523.30
  4. Step 4: Simplify right side
    11,900.72x = 107,132,938.70
  5. Step 5: Solve for x
    x = 107,132,938.70/11,900.72
  6. Step 6: Final answer
    x = 9,002.22

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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.