Home / 10,851.95-16,277.94-2,643.95

Finding the Fourth Proportional to 10,851.95, 16,277.94 and 2,643.95

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Solution

The fourth proportional to 10,851.95, 16,277.94 and 2,643.95 is: 3,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.95 : 16,277.94 = 2,643.95 : x
  2. Step 2: Convert to fraction form
    10,851.95/16,277.94 = 2,643.95/x
  3. Step 3: Cross multiply
    10,851.95x = 16,277.94 × 2,643.95
  4. Step 4: Simplify right side
    10,851.95x = 43,037,978.07
  5. Step 5: Solve for x
    x = 43,037,978.07/10,851.95
  6. Step 6: Final answer
    x = 3,965.92

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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.