Home / 10,894.16-16,341.80-3,103.60

Finding the Fourth Proportional to 10,894.16, 16,341.80 and 3,103.60

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Solution

The fourth proportional to 10,894.16, 16,341.80 and 3,103.60 is: 4,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.16 : 16,341.80 = 3,103.60 : x
  2. Step 2: Convert to fraction form
    10,894.16/16,341.80 = 3,103.60/x
  3. Step 3: Cross multiply
    10,894.16x = 16,341.80 × 3,103.60
  4. Step 4: Simplify right side
    10,894.16x = 50,718,410.48
  5. Step 5: Solve for x
    x = 50,718,410.48/10,894.16
  6. Step 6: Final answer
    x = 4,655.56

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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.