Home / 9,843.41-13,589.55-6,485.00

Finding the Fourth Proportional to 9,843.41, 13,589.55 and 6,485.00

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Solution

The fourth proportional to 9,843.41, 13,589.55 and 6,485.00 is: 8,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.41 : 13,589.55 = 6,485.00 : x
  2. Step 2: Convert to fraction form
    9,843.41/13,589.55 = 6,485.00/x
  3. Step 3: Cross multiply
    9,843.41x = 13,589.55 × 6,485.00
  4. Step 4: Simplify right side
    9,843.41x = 88,128,163.80
  5. Step 5: Solve for x
    x = 88,128,163.80/9,843.41
  6. Step 6: Final answer
    x = 8,953.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.