Home / 10,231.32-15,346.98-3,306.36

Finding the Fourth Proportional to 10,231.32, 15,346.98 and 3,306.36

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Solution

The fourth proportional to 10,231.32, 15,346.98 and 3,306.36 is: 4,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.32 : 15,346.98 = 3,306.36 : x
  2. Step 2: Convert to fraction form
    10,231.32/15,346.98 = 3,306.36/x
  3. Step 3: Cross multiply
    10,231.32x = 15,346.98 × 3,306.36
  4. Step 4: Simplify right side
    10,231.32x = 50,742,640.79
  5. Step 5: Solve for x
    x = 50,742,640.79/10,231.32
  6. Step 6: Final answer
    x = 4,959.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.