Home / 8,094.23-12,120.69-6,453.17

Finding the Fourth Proportional to 8,094.23, 12,120.69 and 6,453.17

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Solution

The fourth proportional to 8,094.23, 12,120.69 and 6,453.17 is: 9,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.23 : 12,120.69 = 6,453.17 : x
  2. Step 2: Convert to fraction form
    8,094.23/12,120.69 = 6,453.17/x
  3. Step 3: Cross multiply
    8,094.23x = 12,120.69 × 6,453.17
  4. Step 4: Simplify right side
    8,094.23x = 78,216,845.84
  5. Step 5: Solve for x
    x = 78,216,845.84/8,094.23
  6. Step 6: Final answer
    x = 9,663.29

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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.