Home / 11,555.17-15,944.76-6,519.10

Finding the Fourth Proportional to 11,555.17, 15,944.76 and 6,519.10

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Solution

The fourth proportional to 11,555.17, 15,944.76 and 6,519.10 is: 8,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.17 : 15,944.76 = 6,519.10 : x
  2. Step 2: Convert to fraction form
    11,555.17/15,944.76 = 6,519.10/x
  3. Step 3: Cross multiply
    11,555.17x = 15,944.76 × 6,519.10
  4. Step 4: Simplify right side
    11,555.17x = 103,945,484.92
  5. Step 5: Solve for x
    x = 103,945,484.92/11,555.17
  6. Step 6: Final answer
    x = 8,995.58

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Double scale
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Similar ratio
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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.