Home / 9,098.25-13,632.75-7,640.25

Finding the Fourth Proportional to 9,098.25, 13,632.75 and 7,640.25

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Solution

The fourth proportional to 9,098.25, 13,632.75 and 7,640.25 is: 11,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.25 : 13,632.75 = 7,640.25 : x
  2. Step 2: Convert to fraction form
    9,098.25/13,632.75 = 7,640.25/x
  3. Step 3: Cross multiply
    9,098.25x = 13,632.75 × 7,640.25
  4. Step 4: Simplify right side
    9,098.25x = 104,157,618.19
  5. Step 5: Solve for x
    x = 104,157,618.19/9,098.25
  6. Step 6: Final answer
    x = 11,448.09

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1.5x scale

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.