Home / 11,515.25-17,281.08-4,943.32

Finding the Fourth Proportional to 11,515.25, 17,281.08 and 4,943.32

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Solution

The fourth proportional to 11,515.25, 17,281.08 and 4,943.32 is: 7,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.25 : 17,281.08 = 4,943.32 : x
  2. Step 2: Convert to fraction form
    11,515.25/17,281.08 = 4,943.32/x
  3. Step 3: Cross multiply
    11,515.25x = 17,281.08 × 4,943.32
  4. Step 4: Simplify right side
    11,515.25x = 85,425,908.39
  5. Step 5: Solve for x
    x = 85,425,908.39/11,515.25
  6. Step 6: Final answer
    x = 7,418.50

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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.