Home / 10,173.29-15,257.87-7,081.41

Finding the Fourth Proportional to 10,173.29, 15,257.87 and 7,081.41

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Solution

The fourth proportional to 10,173.29, 15,257.87 and 7,081.41 is: 10,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.29 : 15,257.87 = 7,081.41 : x
  2. Step 2: Convert to fraction form
    10,173.29/15,257.87 = 7,081.41/x
  3. Step 3: Cross multiply
    10,173.29x = 15,257.87 × 7,081.41
  4. Step 4: Simplify right side
    10,173.29x = 108,047,308.12
  5. Step 5: Solve for x
    x = 108,047,308.12/10,173.29
  6. Step 6: Final answer
    x = 10,620.69

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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.