Home / 9,618.24-13,270.22-5,636.55

Finding the Fourth Proportional to 9,618.24, 13,270.22 and 5,636.55

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Solution

The fourth proportional to 9,618.24, 13,270.22 and 5,636.55 is: 7,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.24 : 13,270.22 = 5,636.55 : x
  2. Step 2: Convert to fraction form
    9,618.24/13,270.22 = 5,636.55/x
  3. Step 3: Cross multiply
    9,618.24x = 13,270.22 × 5,636.55
  4. Step 4: Simplify right side
    9,618.24x = 74,798,230.36
  5. Step 5: Solve for x
    x = 74,798,230.36/9,618.24
  6. Step 6: Final answer
    x = 7,776.71

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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.