Home / 10,845.44-16,251.20-8,386.32

Finding the Fourth Proportional to 10,845.44, 16,251.20 and 8,386.32

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Solution

The fourth proportional to 10,845.44, 16,251.20 and 8,386.32 is: 12,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.44 : 16,251.20 = 8,386.32 : x
  2. Step 2: Convert to fraction form
    10,845.44/16,251.20 = 8,386.32/x
  3. Step 3: Cross multiply
    10,845.44x = 16,251.20 × 8,386.32
  4. Step 4: Simplify right side
    10,845.44x = 136,287,763.58
  5. Step 5: Solve for x
    x = 136,287,763.58/10,845.44
  6. Step 6: Final answer
    x = 12,566.37

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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.