Home / 11,563.68-15,950.88-7,374.36

Finding the Fourth Proportional to 11,563.68, 15,950.88 and 7,374.36

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Solution

The fourth proportional to 11,563.68, 15,950.88 and 7,374.36 is: 10,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.68 : 15,950.88 = 7,374.36 : x
  2. Step 2: Convert to fraction form
    11,563.68/15,950.88 = 7,374.36/x
  3. Step 3: Cross multiply
    11,563.68x = 15,950.88 × 7,374.36
  4. Step 4: Simplify right side
    11,563.68x = 117,627,531.44
  5. Step 5: Solve for x
    x = 117,627,531.44/11,563.68
  6. Step 6: Final answer
    x = 10,172.15

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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.