Home / 10,718.31-16,078.58-2,927.13

Finding the Fourth Proportional to 10,718.31, 16,078.58 and 2,927.13

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Solution

The fourth proportional to 10,718.31, 16,078.58 and 2,927.13 is: 4,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.31 : 16,078.58 = 2,927.13 : x
  2. Step 2: Convert to fraction form
    10,718.31/16,078.58 = 2,927.13/x
  3. Step 3: Cross multiply
    10,718.31x = 16,078.58 × 2,927.13
  4. Step 4: Simplify right side
    10,718.31x = 47,064,093.88
  5. Step 5: Solve for x
    x = 47,064,093.88/10,718.31
  6. Step 6: Final answer
    x = 4,391.00

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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.