Home / 11,504.50-15,872.39-9,376.37

Finding the Fourth Proportional to 11,504.50, 15,872.39 and 9,376.37

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Solution

The fourth proportional to 11,504.50, 15,872.39 and 9,376.37 is: 12,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.50 : 15,872.39 = 9,376.37 : x
  2. Step 2: Convert to fraction form
    11,504.50/15,872.39 = 9,376.37/x
  3. Step 3: Cross multiply
    11,504.50x = 15,872.39 × 9,376.37
  4. Step 4: Simplify right side
    11,504.50x = 148,825,421.26
  5. Step 5: Solve for x
    x = 148,825,421.26/11,504.50
  6. Step 6: Final answer
    x = 12,936.28

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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.