Home / 9,954.54-13,736.61-5,705.55

Finding the Fourth Proportional to 9,954.54, 13,736.61 and 5,705.55

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Solution

The fourth proportional to 9,954.54, 13,736.61 and 5,705.55 is: 7,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.54 : 13,736.61 = 5,705.55 : x
  2. Step 2: Convert to fraction form
    9,954.54/13,736.61 = 5,705.55/x
  3. Step 3: Cross multiply
    9,954.54x = 13,736.61 × 5,705.55
  4. Step 4: Simplify right side
    9,954.54x = 78,374,915.19
  5. Step 5: Solve for x
    x = 78,374,915.19/9,954.54
  6. Step 6: Final answer
    x = 7,873.28

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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.