Home / 10,150.23-15,215.01-6,863.65

Finding the Fourth Proportional to 10,150.23, 15,215.01 and 6,863.65

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Solution

The fourth proportional to 10,150.23, 15,215.01 and 6,863.65 is: 10,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.23 : 15,215.01 = 6,863.65 : x
  2. Step 2: Convert to fraction form
    10,150.23/15,215.01 = 6,863.65/x
  3. Step 3: Cross multiply
    10,150.23x = 15,215.01 × 6,863.65
  4. Step 4: Simplify right side
    10,150.23x = 104,430,503.39
  5. Step 5: Solve for x
    x = 104,430,503.39/10,150.23
  6. Step 6: Final answer
    x = 10,288.49

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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.