Home / 9,676.75-13,356.77-6,320.08

Finding the Fourth Proportional to 9,676.75, 13,356.77 and 6,320.08

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Solution

The fourth proportional to 9,676.75, 13,356.77 and 6,320.08 is: 8,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.75 : 13,356.77 = 6,320.08 : x
  2. Step 2: Convert to fraction form
    9,676.75/13,356.77 = 6,320.08/x
  3. Step 3: Cross multiply
    9,676.75x = 13,356.77 × 6,320.08
  4. Step 4: Simplify right side
    9,676.75x = 84,415,854.94
  5. Step 5: Solve for x
    x = 84,415,854.94/9,676.75
  6. Step 6: Final answer
    x = 8,723.58

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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.