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Finding the Fourth Proportional to 11,586.11, 15,982.97 and 7,330.01

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Solution

The fourth proportional to 11,586.11, 15,982.97 and 7,330.01 is: 10,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.11 : 15,982.97 = 7,330.01 : x
  2. Step 2: Convert to fraction form
    11,586.11/15,982.97 = 7,330.01/x
  3. Step 3: Cross multiply
    11,586.11x = 15,982.97 × 7,330.01
  4. Step 4: Simplify right side
    11,586.11x = 117,155,213.36
  5. Step 5: Solve for x
    x = 117,155,213.36/11,586.11
  6. Step 6: Final answer
    x = 10,111.70

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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.