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Finding the Fourth Proportional to 7,386.16, 10,193.16 and 4,241.76

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Solution

The fourth proportional to 7,386.16, 10,193.16 and 4,241.76 is: 5,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.16 : 10,193.16 = 4,241.76 : x
  2. Step 2: Convert to fraction form
    7,386.16/10,193.16 = 4,241.76/x
  3. Step 3: Cross multiply
    7,386.16x = 10,193.16 × 4,241.76
  4. Step 4: Simplify right side
    7,386.16x = 43,236,938.36
  5. Step 5: Solve for x
    x = 43,236,938.36/7,386.16
  6. Step 6: Final answer
    x = 5,853.78

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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.