Home / 9,515.07-13,126.39-6,158.97

Finding the Fourth Proportional to 9,515.07, 13,126.39 and 6,158.97

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Solution

The fourth proportional to 9,515.07, 13,126.39 and 6,158.97 is: 8,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.07 : 13,126.39 = 6,158.97 : x
  2. Step 2: Convert to fraction form
    9,515.07/13,126.39 = 6,158.97/x
  3. Step 3: Cross multiply
    9,515.07x = 13,126.39 × 6,158.97
  4. Step 4: Simplify right side
    9,515.07x = 80,845,026.82
  5. Step 5: Solve for x
    x = 80,845,026.82/9,515.07
  6. Step 6: Final answer
    x = 8,496.52

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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.