Home / 9,507.97-13,116.63-6,151.87

Finding the Fourth Proportional to 9,507.97, 13,116.63 and 6,151.87

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Solution

The fourth proportional to 9,507.97, 13,116.63 and 6,151.87 is: 8,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.97 : 13,116.63 = 6,151.87 : x
  2. Step 2: Convert to fraction form
    9,507.97/13,116.63 = 6,151.87/x
  3. Step 3: Cross multiply
    9,507.97x = 13,116.63 × 6,151.87
  4. Step 4: Simplify right side
    9,507.97x = 80,691,771.84
  5. Step 5: Solve for x
    x = 80,691,771.84/9,507.97
  6. Step 6: Final answer
    x = 8,486.76

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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.