Home / 8,094.88-11,172.36-7,725.52

Finding the Fourth Proportional to 8,094.88, 11,172.36 and 7,725.52

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Solution

The fourth proportional to 8,094.88, 11,172.36 and 7,725.52 is: 10,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.88 : 11,172.36 = 7,725.52 : x
  2. Step 2: Convert to fraction form
    8,094.88/11,172.36 = 7,725.52/x
  3. Step 3: Cross multiply
    8,094.88x = 11,172.36 × 7,725.52
  4. Step 4: Simplify right side
    8,094.88x = 86,312,290.63
  5. Step 5: Solve for x
    x = 86,312,290.63/8,094.88
  6. Step 6: Final answer
    x = 10,662.58

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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.