Home / 9,725.22-13,422.80-6,326.48

Finding the Fourth Proportional to 9,725.22, 13,422.80 and 6,326.48

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Solution

The fourth proportional to 9,725.22, 13,422.80 and 6,326.48 is: 8,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.22 : 13,422.80 = 6,326.48 : x
  2. Step 2: Convert to fraction form
    9,725.22/13,422.80 = 6,326.48/x
  3. Step 3: Cross multiply
    9,725.22x = 13,422.80 × 6,326.48
  4. Step 4: Simplify right side
    9,725.22x = 84,919,075.74
  5. Step 5: Solve for x
    x = 84,919,075.74/9,725.22
  6. Step 6: Final answer
    x = 8,731.84

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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.