Home / 10,557.70-15,837.06-2,766.52

Finding the Fourth Proportional to 10,557.70, 15,837.06 and 2,766.52

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Solution

The fourth proportional to 10,557.70, 15,837.06 and 2,766.52 is: 4,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.70 : 15,837.06 = 2,766.52 : x
  2. Step 2: Convert to fraction form
    10,557.70/15,837.06 = 2,766.52/x
  3. Step 3: Cross multiply
    10,557.70x = 15,837.06 × 2,766.52
  4. Step 4: Simplify right side
    10,557.70x = 43,813,543.23
  5. Step 5: Solve for x
    x = 43,813,543.23/10,557.70
  6. Step 6: Final answer
    x = 4,149.91

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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.