Home / 8,851.39-13,278.98-2,927.96

Finding the Fourth Proportional to 8,851.39, 13,278.98 and 2,927.96

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Solution

The fourth proportional to 8,851.39, 13,278.98 and 2,927.96 is: 4,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.39 : 13,278.98 = 2,927.96 : x
  2. Step 2: Convert to fraction form
    8,851.39/13,278.98 = 2,927.96/x
  3. Step 3: Cross multiply
    8,851.39x = 13,278.98 × 2,927.96
  4. Step 4: Simplify right side
    8,851.39x = 38,880,322.28
  5. Step 5: Solve for x
    x = 38,880,322.28/8,851.39
  6. Step 6: Final answer
    x = 4,392.57

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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.