Home / 8,760.69-13,143.67-4,083.48

Finding the Fourth Proportional to 8,760.69, 13,143.67 and 4,083.48

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Solution

The fourth proportional to 8,760.69, 13,143.67 and 4,083.48 is: 6,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.69 : 13,143.67 = 4,083.48 : x
  2. Step 2: Convert to fraction form
    8,760.69/13,143.67 = 4,083.48/x
  3. Step 3: Cross multiply
    8,760.69x = 13,143.67 × 4,083.48
  4. Step 4: Simplify right side
    8,760.69x = 53,671,903.36
  5. Step 5: Solve for x
    x = 53,671,903.36/8,760.69
  6. Step 6: Final answer
    x = 6,126.45

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1.5x scale

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.