Home / 10,221.19-14,104.54-5,745.62

Finding the Fourth Proportional to 10,221.19, 14,104.54 and 5,745.62

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Solution

The fourth proportional to 10,221.19, 14,104.54 and 5,745.62 is: 7,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.19 : 14,104.54 = 5,745.62 : x
  2. Step 2: Convert to fraction form
    10,221.19/14,104.54 = 5,745.62/x
  3. Step 3: Cross multiply
    10,221.19x = 14,104.54 × 5,745.62
  4. Step 4: Simplify right side
    10,221.19x = 81,039,242.23
  5. Step 5: Solve for x
    x = 81,039,242.23/10,221.19
  6. Step 6: Final answer
    x = 7,928.55

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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.