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Finding the Fourth Proportional to 11,907.23, 17,869.04 and 5,340.76

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Solution

The fourth proportional to 11,907.23, 17,869.04 and 5,340.76 is: 8,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.23 : 17,869.04 = 5,340.76 : x
  2. Step 2: Convert to fraction form
    11,907.23/17,869.04 = 5,340.76/x
  3. Step 3: Cross multiply
    11,907.23x = 17,869.04 × 5,340.76
  4. Step 4: Simplify right side
    11,907.23x = 95,434,254.07
  5. Step 5: Solve for x
    x = 95,434,254.07/11,907.23
  6. Step 6: Final answer
    x = 8,014.82

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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.