Home / 9,101.94-12,556.76-5,219.28

Finding the Fourth Proportional to 9,101.94, 12,556.76 and 5,219.28

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Solution

The fourth proportional to 9,101.94, 12,556.76 and 5,219.28 is: 7,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.94 : 12,556.76 = 5,219.28 : x
  2. Step 2: Convert to fraction form
    9,101.94/12,556.76 = 5,219.28/x
  3. Step 3: Cross multiply
    9,101.94x = 12,556.76 × 5,219.28
  4. Step 4: Simplify right side
    9,101.94x = 65,537,246.33
  5. Step 5: Solve for x
    x = 65,537,246.33/9,101.94
  6. Step 6: Final answer
    x = 7,200.36

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Half scale
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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.