Home / 10,919.88-15,068.43-6,203.25

Finding the Fourth Proportional to 10,919.88, 15,068.43 and 6,203.25

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Solution

The fourth proportional to 10,919.88, 15,068.43 and 6,203.25 is: 8,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.88 : 15,068.43 = 6,203.25 : x
  2. Step 2: Convert to fraction form
    10,919.88/15,068.43 = 6,203.25/x
  3. Step 3: Cross multiply
    10,919.88x = 15,068.43 × 6,203.25
  4. Step 4: Simplify right side
    10,919.88x = 93,473,238.40
  5. Step 5: Solve for x
    x = 93,473,238.40/10,919.88
  6. Step 6: Final answer
    x = 8,559.91

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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.