Home / 9,353.36-12,908.22-5,161.70

Finding the Fourth Proportional to 9,353.36, 12,908.22 and 5,161.70

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Solution

The fourth proportional to 9,353.36, 12,908.22 and 5,161.70 is: 7,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.36 : 12,908.22 = 5,161.70 : x
  2. Step 2: Convert to fraction form
    9,353.36/12,908.22 = 5,161.70/x
  3. Step 3: Cross multiply
    9,353.36x = 12,908.22 × 5,161.70
  4. Step 4: Simplify right side
    9,353.36x = 66,628,359.17
  5. Step 5: Solve for x
    x = 66,628,359.17/9,353.36
  6. Step 6: Final answer
    x = 7,123.47

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Similar ratio
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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.