Home / 9,020.78-13,528.80-2,694.16

Finding the Fourth Proportional to 9,020.78, 13,528.80 and 2,694.16

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Solution

The fourth proportional to 9,020.78, 13,528.80 and 2,694.16 is: 4,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.78 : 13,528.80 = 2,694.16 : x
  2. Step 2: Convert to fraction form
    9,020.78/13,528.80 = 2,694.16/x
  3. Step 3: Cross multiply
    9,020.78x = 13,528.80 × 2,694.16
  4. Step 4: Simplify right side
    9,020.78x = 36,448,751.81
  5. Step 5: Solve for x
    x = 36,448,751.81/9,020.78
  6. Step 6: Final answer
    x = 4,040.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.