Home / 10,785.86-16,179.60-2,995.28

Finding the Fourth Proportional to 10,785.86, 16,179.60 and 2,995.28

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Solution

The fourth proportional to 10,785.86, 16,179.60 and 2,995.28 is: 4,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.86 : 16,179.60 = 2,995.28 : x
  2. Step 2: Convert to fraction form
    10,785.86/16,179.60 = 2,995.28/x
  3. Step 3: Cross multiply
    10,785.86x = 16,179.60 × 2,995.28
  4. Step 4: Simplify right side
    10,785.86x = 48,462,432.29
  5. Step 5: Solve for x
    x = 48,462,432.29/10,785.86
  6. Step 6: Final answer
    x = 4,493.14

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Double scale
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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.