Home / 8,735.75-12,055.61-5,009.75

Finding the Fourth Proportional to 8,735.75, 12,055.61 and 5,009.75

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Solution

The fourth proportional to 8,735.75, 12,055.61 and 5,009.75 is: 6,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.75 : 12,055.61 = 5,009.75 : x
  2. Step 2: Convert to fraction form
    8,735.75/12,055.61 = 5,009.75/x
  3. Step 3: Cross multiply
    8,735.75x = 12,055.61 × 5,009.75
  4. Step 4: Simplify right side
    8,735.75x = 60,395,567.15
  5. Step 5: Solve for x
    x = 60,395,567.15/8,735.75
  6. Step 6: Final answer
    x = 6,913.61

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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.