Home / 10,944.08-15,103.56-6,165.20

Finding the Fourth Proportional to 10,944.08, 15,103.56 and 6,165.20

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Solution

The fourth proportional to 10,944.08, 15,103.56 and 6,165.20 is: 8,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.08 : 15,103.56 = 6,165.20 : x
  2. Step 2: Convert to fraction form
    10,944.08/15,103.56 = 6,165.20/x
  3. Step 3: Cross multiply
    10,944.08x = 15,103.56 × 6,165.20
  4. Step 4: Simplify right side
    10,944.08x = 93,116,468.11
  5. Step 5: Solve for x
    x = 93,116,468.11/10,944.08
  6. Step 6: Final answer
    x = 8,508.39

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Double scale
Find fourth proportional to 10,945.08, 15,104.94 and 6,166.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.