Home / 11,696.03-16,140.14-7,391.43

Finding the Fourth Proportional to 11,696.03, 16,140.14 and 7,391.43

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Solution

The fourth proportional to 11,696.03, 16,140.14 and 7,391.43 is: 10,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.03 : 16,140.14 = 7,391.43 : x
  2. Step 2: Convert to fraction form
    11,696.03/16,140.14 = 7,391.43/x
  3. Step 3: Cross multiply
    11,696.03x = 16,140.14 × 7,391.43
  4. Step 4: Simplify right side
    11,696.03x = 119,298,643.14
  5. Step 5: Solve for x
    x = 119,298,643.14/11,696.03
  6. Step 6: Final answer
    x = 10,199.92

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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.