Home / 8,760.15-13,140.18-5,059.98

Finding the Fourth Proportional to 8,760.15, 13,140.18 and 5,059.98

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Solution

The fourth proportional to 8,760.15, 13,140.18 and 5,059.98 is: 7,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.15 : 13,140.18 = 5,059.98 : x
  2. Step 2: Convert to fraction form
    8,760.15/13,140.18 = 5,059.98/x
  3. Step 3: Cross multiply
    8,760.15x = 13,140.18 × 5,059.98
  4. Step 4: Simplify right side
    8,760.15x = 66,489,048.00
  5. Step 5: Solve for x
    x = 66,489,048.00/8,760.15
  6. Step 6: Final answer
    x = 7,589.94

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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.