Home / 10,349.13-15,521.11-4,423.09

Finding the Fourth Proportional to 10,349.13, 15,521.11 and 4,423.09

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Solution

The fourth proportional to 10,349.13, 15,521.11 and 4,423.09 is: 6,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.13 : 15,521.11 = 4,423.09 : x
  2. Step 2: Convert to fraction form
    10,349.13/15,521.11 = 4,423.09/x
  3. Step 3: Cross multiply
    10,349.13x = 15,521.11 × 4,423.09
  4. Step 4: Simplify right side
    10,349.13x = 68,651,255.82
  5. Step 5: Solve for x
    x = 68,651,255.82/10,349.13
  6. Step 6: Final answer
    x = 6,633.53

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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.