Home / 9,428.44-13,011.46-5,236.92

Finding the Fourth Proportional to 9,428.44, 13,011.46 and 5,236.92

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Solution

The fourth proportional to 9,428.44, 13,011.46 and 5,236.92 is: 7,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.44 : 13,011.46 = 5,236.92 : x
  2. Step 2: Convert to fraction form
    9,428.44/13,011.46 = 5,236.92/x
  3. Step 3: Cross multiply
    9,428.44x = 13,011.46 × 5,236.92
  4. Step 4: Simplify right side
    9,428.44x = 68,139,975.10
  5. Step 5: Solve for x
    x = 68,139,975.10/9,428.44
  6. Step 6: Final answer
    x = 7,227.07

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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.