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Finding the Fourth Proportional to 11,510.11, 15,881.29 and 6,795.10

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Solution

The fourth proportional to 11,510.11, 15,881.29 and 6,795.10 is: 9,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.11 : 15,881.29 = 6,795.10 : x
  2. Step 2: Convert to fraction form
    11,510.11/15,881.29 = 6,795.10/x
  3. Step 3: Cross multiply
    11,510.11x = 15,881.29 × 6,795.10
  4. Step 4: Simplify right side
    11,510.11x = 107,914,953.68
  5. Step 5: Solve for x
    x = 107,914,953.68/11,510.11
  6. Step 6: Final answer
    x = 9,375.67

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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.