Home / 8,629.56-11,881.52-7,841.25

Finding the Fourth Proportional to 8,629.56, 11,881.52 and 7,841.25

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Solution

The fourth proportional to 8,629.56, 11,881.52 and 7,841.25 is: 10,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.56 : 11,881.52 = 7,841.25 : x
  2. Step 2: Convert to fraction form
    8,629.56/11,881.52 = 7,841.25/x
  3. Step 3: Cross multiply
    8,629.56x = 11,881.52 × 7,841.25
  4. Step 4: Simplify right side
    8,629.56x = 93,165,929.49
  5. Step 5: Solve for x
    x = 93,165,929.49/8,629.56
  6. Step 6: Final answer
    x = 10,796.14

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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.