Home / 9,717.51-13,408.11-6,179.43

Finding the Fourth Proportional to 9,717.51, 13,408.11 and 6,179.43

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Solution

The fourth proportional to 9,717.51, 13,408.11 and 6,179.43 is: 8,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.51 : 13,408.11 = 6,179.43 : x
  2. Step 2: Convert to fraction form
    9,717.51/13,408.11 = 6,179.43/x
  3. Step 3: Cross multiply
    9,717.51x = 13,408.11 × 6,179.43
  4. Step 4: Simplify right side
    9,717.51x = 82,854,477.18
  5. Step 5: Solve for x
    x = 82,854,477.18/9,717.51
  6. Step 6: Final answer
    x = 8,526.31

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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.