Home / 10,039.18-15,046.62-8,858.20

Finding the Fourth Proportional to 10,039.18, 15,046.62 and 8,858.20

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Solution

The fourth proportional to 10,039.18, 15,046.62 and 8,858.20 is: 13,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.18 : 15,046.62 = 8,858.20 : x
  2. Step 2: Convert to fraction form
    10,039.18/15,046.62 = 8,858.20/x
  3. Step 3: Cross multiply
    10,039.18x = 15,046.62 × 8,858.20
  4. Step 4: Simplify right side
    10,039.18x = 133,285,969.28
  5. Step 5: Solve for x
    x = 133,285,969.28/10,039.18
  6. Step 6: Final answer
    x = 13,276.58

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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.