Home / 9,954.06-13,736.66-5,478.28

Finding the Fourth Proportional to 9,954.06, 13,736.66 and 5,478.28

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Solution

The fourth proportional to 9,954.06, 13,736.66 and 5,478.28 is: 7,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.06 : 13,736.66 = 5,478.28 : x
  2. Step 2: Convert to fraction form
    9,954.06/13,736.66 = 5,478.28/x
  3. Step 3: Cross multiply
    9,954.06x = 13,736.66 × 5,478.28
  4. Step 4: Simplify right side
    9,954.06x = 75,253,269.74
  5. Step 5: Solve for x
    x = 75,253,269.74/9,954.06
  6. Step 6: Final answer
    x = 7,560.06

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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.