Home / 10,551.18-15,827.16-2,759.76

Finding the Fourth Proportional to 10,551.18, 15,827.16 and 2,759.76

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Solution

The fourth proportional to 10,551.18, 15,827.16 and 2,759.76 is: 4,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.18 : 15,827.16 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    10,551.18/15,827.16 = 2,759.76/x
  3. Step 3: Cross multiply
    10,551.18x = 15,827.16 × 2,759.76
  4. Step 4: Simplify right side
    10,551.18x = 43,679,163.08
  5. Step 5: Solve for x
    x = 43,679,163.08/10,551.18
  6. Step 6: Final answer
    x = 4,139.74

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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.