Home / 6,715.09-9,267.38-3,883.43

Finding the Fourth Proportional to 6,715.09, 9,267.38 and 3,883.43

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Solution

The fourth proportional to 6,715.09, 9,267.38 and 3,883.43 is: 5,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.09 : 9,267.38 = 3,883.43 : x
  2. Step 2: Convert to fraction form
    6,715.09/9,267.38 = 3,883.43/x
  3. Step 3: Cross multiply
    6,715.09x = 9,267.38 × 3,883.43
  4. Step 4: Simplify right side
    6,715.09x = 35,989,221.51
  5. Step 5: Solve for x
    x = 35,989,221.51/6,715.09
  6. Step 6: Final answer
    x = 5,359.45

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Half scale
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Double scale
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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.