Home / 6,699.28-9,240.60-4,305.48

Finding the Fourth Proportional to 6,699.28, 9,240.60 and 4,305.48

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Solution

The fourth proportional to 6,699.28, 9,240.60 and 4,305.48 is: 5,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.28 : 9,240.60 = 4,305.48 : x
  2. Step 2: Convert to fraction form
    6,699.28/9,240.60 = 4,305.48/x
  3. Step 3: Cross multiply
    6,699.28x = 9,240.60 × 4,305.48
  4. Step 4: Simplify right side
    6,699.28x = 39,785,218.49
  5. Step 5: Solve for x
    x = 39,785,218.49/6,699.28
  6. Step 6: Final answer
    x = 5,938.73

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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.