Home / 11,021.01-15,207.98-6,305.19

Finding the Fourth Proportional to 11,021.01, 15,207.98 and 6,305.19

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Solution

The fourth proportional to 11,021.01, 15,207.98 and 6,305.19 is: 8,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.01 : 15,207.98 = 6,305.19 : x
  2. Step 2: Convert to fraction form
    11,021.01/15,207.98 = 6,305.19/x
  3. Step 3: Cross multiply
    11,021.01x = 15,207.98 × 6,305.19
  4. Step 4: Simplify right side
    11,021.01x = 95,889,203.42
  5. Step 5: Solve for x
    x = 95,889,203.42/11,021.01
  6. Step 6: Final answer
    x = 8,700.58

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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.