Home / 10,919.71-15,069.27-6,204.07

Finding the Fourth Proportional to 10,919.71, 15,069.27 and 6,204.07

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Solution

The fourth proportional to 10,919.71, 15,069.27 and 6,204.07 is: 8,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.71 : 15,069.27 = 6,204.07 : x
  2. Step 2: Convert to fraction form
    10,919.71/15,069.27 = 6,204.07/x
  3. Step 3: Cross multiply
    10,919.71x = 15,069.27 × 6,204.07
  4. Step 4: Simplify right side
    10,919.71x = 93,490,805.93
  5. Step 5: Solve for x
    x = 93,490,805.93/10,919.71
  6. Step 6: Final answer
    x = 8,561.66

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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.