Home / 10,234.57-15,331.77-5,307.43

Finding the Fourth Proportional to 10,234.57, 15,331.77 and 5,307.43

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Solution

The fourth proportional to 10,234.57, 15,331.77 and 5,307.43 is: 7,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.57 : 15,331.77 = 5,307.43 : x
  2. Step 2: Convert to fraction form
    10,234.57/15,331.77 = 5,307.43/x
  3. Step 3: Cross multiply
    10,234.57x = 15,331.77 × 5,307.43
  4. Step 4: Simplify right side
    10,234.57x = 81,372,296.05
  5. Step 5: Solve for x
    x = 81,372,296.05/10,234.57
  6. Step 6: Final answer
    x = 7,950.73

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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.