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Finding the Fourth Proportional to 11,810.04, 17,719.16 and 5,240.84

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Solution

The fourth proportional to 11,810.04, 17,719.16 and 5,240.84 is: 7,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.04 : 17,719.16 = 5,240.84 : x
  2. Step 2: Convert to fraction form
    11,810.04/17,719.16 = 5,240.84/x
  3. Step 3: Cross multiply
    11,810.04x = 17,719.16 × 5,240.84
  4. Step 4: Simplify right side
    11,810.04x = 92,863,167.69
  5. Step 5: Solve for x
    x = 92,863,167.69/11,810.04
  6. Step 6: Final answer
    x = 7,863.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.