Home / 11,214.20-15,475.02-6,500

Finding the Fourth Proportional to 11,214.20, 15,475.02 and 6,500

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Solution

The fourth proportional to 11,214.20, 15,475.02 and 6,500 is: 8,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.20 : 15,475.02 = 6,500 : x
  2. Step 2: Convert to fraction form
    11,214.20/15,475.02 = 6,500/x
  3. Step 3: Cross multiply
    11,214.20x = 15,475.02 × 6,500
  4. Step 4: Simplify right side
    11,214.20x = 100,587,630
  5. Step 5: Solve for x
    x = 100,587,630/11,214.20
  6. Step 6: Final answer
    x = 8,969.67

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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.