Home / 8,735.04-11,986.56-7,943.04

Finding the Fourth Proportional to 8,735.04, 11,986.56 and 7,943.04

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Solution

The fourth proportional to 8,735.04, 11,986.56 and 7,943.04 is: 10,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.04 : 11,986.56 = 7,943.04 : x
  2. Step 2: Convert to fraction form
    8,735.04/11,986.56 = 7,943.04/x
  3. Step 3: Cross multiply
    8,735.04x = 11,986.56 × 7,943.04
  4. Step 4: Simplify right side
    8,735.04x = 95,209,725.54
  5. Step 5: Solve for x
    x = 95,209,725.54/8,735.04
  6. Step 6: Final answer
    x = 10,899.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.