Home / 10,501.25-15,751.78-4,951.54

Finding the Fourth Proportional to 10,501.25, 15,751.78 and 4,951.54

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Solution

The fourth proportional to 10,501.25, 15,751.78 and 4,951.54 is: 7,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.25 : 15,751.78 = 4,951.54 : x
  2. Step 2: Convert to fraction form
    10,501.25/15,751.78 = 4,951.54/x
  3. Step 3: Cross multiply
    10,501.25x = 15,751.78 × 4,951.54
  4. Step 4: Simplify right side
    10,501.25x = 77,995,516.98
  5. Step 5: Solve for x
    x = 77,995,516.98/10,501.25
  6. Step 6: Final answer
    x = 7,427.26

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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.