Home / 9,421.62-12,999.17-6,066.37

Finding the Fourth Proportional to 9,421.62, 12,999.17 and 6,066.37

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Solution

The fourth proportional to 9,421.62, 12,999.17 and 6,066.37 is: 8,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.62 : 12,999.17 = 6,066.37 : x
  2. Step 2: Convert to fraction form
    9,421.62/12,999.17 = 6,066.37/x
  3. Step 3: Cross multiply
    9,421.62x = 12,999.17 × 6,066.37
  4. Step 4: Simplify right side
    9,421.62x = 78,857,774.91
  5. Step 5: Solve for x
    x = 78,857,774.91/9,421.62
  6. Step 6: Final answer
    x = 8,369.87

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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.