Home / 8,275.02-11,396.04-7,279.94

Finding the Fourth Proportional to 8,275.02, 11,396.04 and 7,279.94

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Solution

The fourth proportional to 8,275.02, 11,396.04 and 7,279.94 is: 10,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.02 : 11,396.04 = 7,279.94 : x
  2. Step 2: Convert to fraction form
    8,275.02/11,396.04 = 7,279.94/x
  3. Step 3: Cross multiply
    8,275.02x = 11,396.04 × 7,279.94
  4. Step 4: Simplify right side
    8,275.02x = 82,962,487.44
  5. Step 5: Solve for x
    x = 82,962,487.44/8,275.02
  6. Step 6: Final answer
    x = 10,025.65

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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.