Home / 10,159.36-14,021.40-5,912.92

Finding the Fourth Proportional to 10,159.36, 14,021.40 and 5,912.92

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Solution

The fourth proportional to 10,159.36, 14,021.40 and 5,912.92 is: 8,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.36 : 14,021.40 = 5,912.92 : x
  2. Step 2: Convert to fraction form
    10,159.36/14,021.40 = 5,912.92/x
  3. Step 3: Cross multiply
    10,159.36x = 14,021.40 × 5,912.92
  4. Step 4: Simplify right side
    10,159.36x = 82,907,416.49
  5. Step 5: Solve for x
    x = 82,907,416.49/10,159.36
  6. Step 6: Final answer
    x = 8,160.69

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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.