Home / 11,812.37-16,301.06-6,507.19

Finding the Fourth Proportional to 11,812.37, 16,301.06 and 6,507.19

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Solution

The fourth proportional to 11,812.37, 16,301.06 and 6,507.19 is: 8,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.37 : 16,301.06 = 6,507.19 : x
  2. Step 2: Convert to fraction form
    11,812.37/16,301.06 = 6,507.19/x
  3. Step 3: Cross multiply
    11,812.37x = 16,301.06 × 6,507.19
  4. Step 4: Simplify right side
    11,812.37x = 106,074,021.33
  5. Step 5: Solve for x
    x = 106,074,021.33/11,812.37
  6. Step 6: Final answer
    x = 8,979.91

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Half scale
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Double scale
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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.