Home / 9,940.62-13,718.04-5,464.65

Finding the Fourth Proportional to 9,940.62, 13,718.04 and 5,464.65

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Solution

The fourth proportional to 9,940.62, 13,718.04 and 5,464.65 is: 7,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.62 : 13,718.04 = 5,464.65 : x
  2. Step 2: Convert to fraction form
    9,940.62/13,718.04 = 5,464.65/x
  3. Step 3: Cross multiply
    9,940.62x = 13,718.04 × 5,464.65
  4. Step 4: Simplify right side
    9,940.62x = 74,964,287.29
  5. Step 5: Solve for x
    x = 74,964,287.29/9,940.62
  6. Step 6: Final answer
    x = 7,541.21

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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.