Home / 9,618.76-13,272.60-5,369.68

Finding the Fourth Proportional to 9,618.76, 13,272.60 and 5,369.68

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Solution

The fourth proportional to 9,618.76, 13,272.60 and 5,369.68 is: 7,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.76 : 13,272.60 = 5,369.68 : x
  2. Step 2: Convert to fraction form
    9,618.76/13,272.60 = 5,369.68/x
  3. Step 3: Cross multiply
    9,618.76x = 13,272.60 × 5,369.68
  4. Step 4: Simplify right side
    9,618.76x = 71,269,614.77
  5. Step 5: Solve for x
    x = 71,269,614.77/9,618.76
  6. Step 6: Final answer
    x = 7,409.44

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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.