Home / 11,274.33-15,558.59-6,238.76

Finding the Fourth Proportional to 11,274.33, 15,558.59 and 6,238.76

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Solution

The fourth proportional to 11,274.33, 15,558.59 and 6,238.76 is: 8,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.33 : 15,558.59 = 6,238.76 : x
  2. Step 2: Convert to fraction form
    11,274.33/15,558.59 = 6,238.76/x
  3. Step 3: Cross multiply
    11,274.33x = 15,558.59 × 6,238.76
  4. Step 4: Simplify right side
    11,274.33x = 97,066,199.96
  5. Step 5: Solve for x
    x = 97,066,199.96/11,274.33
  6. Step 6: Final answer
    x = 8,609.49

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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.