Home / 10,174.87-15,276.48-5,248.05

Finding the Fourth Proportional to 10,174.87, 15,276.48 and 5,248.05

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Solution

The fourth proportional to 10,174.87, 15,276.48 and 5,248.05 is: 7,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.87 : 15,276.48 = 5,248.05 : x
  2. Step 2: Convert to fraction form
    10,174.87/15,276.48 = 5,248.05/x
  3. Step 3: Cross multiply
    10,174.87x = 15,276.48 × 5,248.05
  4. Step 4: Simplify right side
    10,174.87x = 80,171,730.86
  5. Step 5: Solve for x
    x = 80,171,730.86/10,174.87
  6. Step 6: Final answer
    x = 7,879.39

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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.