Home / 9,954.41-13,736.79-5,478.16

Finding the Fourth Proportional to 9,954.41, 13,736.79 and 5,478.16

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Solution

The fourth proportional to 9,954.41, 13,736.79 and 5,478.16 is: 7,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.41 : 13,736.79 = 5,478.16 : x
  2. Step 2: Convert to fraction form
    9,954.41/13,736.79 = 5,478.16/x
  3. Step 3: Cross multiply
    9,954.41x = 13,736.79 × 5,478.16
  4. Step 4: Simplify right side
    9,954.41x = 75,252,237.43
  5. Step 5: Solve for x
    x = 75,252,237.43/9,954.41
  6. Step 6: Final answer
    x = 7,559.69

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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.