Home / 10,314.36-15,471.54-6,618.33

Finding the Fourth Proportional to 10,314.36, 15,471.54 and 6,618.33

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Solution

The fourth proportional to 10,314.36, 15,471.54 and 6,618.33 is: 9,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.36 : 15,471.54 = 6,618.33 : x
  2. Step 2: Convert to fraction form
    10,314.36/15,471.54 = 6,618.33/x
  3. Step 3: Cross multiply
    10,314.36x = 15,471.54 × 6,618.33
  4. Step 4: Simplify right side
    10,314.36x = 102,395,757.33
  5. Step 5: Solve for x
    x = 102,395,757.33/10,314.36
  6. Step 6: Final answer
    x = 9,927.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.