Home / 7,150.17-9,861.82-6,264.44

Finding the Fourth Proportional to 7,150.17, 9,861.82 and 6,264.44

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Solution

The fourth proportional to 7,150.17, 9,861.82 and 6,264.44 is: 8,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.17 : 9,861.82 = 6,264.44 : x
  2. Step 2: Convert to fraction form
    7,150.17/9,861.82 = 6,264.44/x
  3. Step 3: Cross multiply
    7,150.17x = 9,861.82 × 6,264.44
  4. Step 4: Simplify right side
    7,150.17x = 61,778,751.69
  5. Step 5: Solve for x
    x = 61,778,751.69/7,150.17
  6. Step 6: Final answer
    x = 8,640.17

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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.