Home / 9,353.28-12,889.80-6,696.06

Finding the Fourth Proportional to 9,353.28, 12,889.80 and 6,696.06

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Solution

The fourth proportional to 9,353.28, 12,889.80 and 6,696.06 is: 9,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.28 : 12,889.80 = 6,696.06 : x
  2. Step 2: Convert to fraction form
    9,353.28/12,889.80 = 6,696.06/x
  3. Step 3: Cross multiply
    9,353.28x = 12,889.80 × 6,696.06
  4. Step 4: Simplify right side
    9,353.28x = 86,310,874.19
  5. Step 5: Solve for x
    x = 86,310,874.19/9,353.28
  6. Step 6: Final answer
    x = 9,227.87

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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.