Home / 8,748.08-13,096.12-8,736.56

Finding the Fourth Proportional to 8,748.08, 13,096.12 and 8,736.56

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Solution

The fourth proportional to 8,748.08, 13,096.12 and 8,736.56 is: 13,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.08 : 13,096.12 = 8,736.56 : x
  2. Step 2: Convert to fraction form
    8,748.08/13,096.12 = 8,736.56/x
  3. Step 3: Cross multiply
    8,748.08x = 13,096.12 × 8,736.56
  4. Step 4: Simplify right side
    8,748.08x = 114,415,038.15
  5. Step 5: Solve for x
    x = 114,415,038.15/8,748.08
  6. Step 6: Final answer
    x = 13,078.87

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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.