Home / 12,499.85-17,249.60-6,834.62

Finding the Fourth Proportional to 12,499.85, 17,249.60 and 6,834.62

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Solution

The fourth proportional to 12,499.85, 17,249.60 and 6,834.62 is: 9,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.85 : 17,249.60 = 6,834.62 : x
  2. Step 2: Convert to fraction form
    12,499.85/17,249.60 = 6,834.62/x
  3. Step 3: Cross multiply
    12,499.85x = 17,249.60 × 6,834.62
  4. Step 4: Simplify right side
    12,499.85x = 117,894,461.15
  5. Step 5: Solve for x
    x = 117,894,461.15/12,499.85
  6. Step 6: Final answer
    x = 9,431.67

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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.