Home / 9,717.39-13,414.55-6,360.35

Finding the Fourth Proportional to 9,717.39, 13,414.55 and 6,360.35

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Solution

The fourth proportional to 9,717.39, 13,414.55 and 6,360.35 is: 8,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.39 : 13,414.55 = 6,360.35 : x
  2. Step 2: Convert to fraction form
    9,717.39/13,414.55 = 6,360.35/x
  3. Step 3: Cross multiply
    9,717.39x = 13,414.55 × 6,360.35
  4. Step 4: Simplify right side
    9,717.39x = 85,321,134.22
  5. Step 5: Solve for x
    x = 85,321,134.22/9,717.39
  6. Step 6: Final answer
    x = 8,780.25

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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.