Home / 9,651.21-13,318.63-5,674.60

Finding the Fourth Proportional to 9,651.21, 13,318.63 and 5,674.60

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Solution

The fourth proportional to 9,651.21, 13,318.63 and 5,674.60 is: 7,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.21 : 13,318.63 = 5,674.60 : x
  2. Step 2: Convert to fraction form
    9,651.21/13,318.63 = 5,674.60/x
  3. Step 3: Cross multiply
    9,651.21x = 13,318.63 × 5,674.60
  4. Step 4: Simplify right side
    9,651.21x = 75,577,897.80
  5. Step 5: Solve for x
    x = 75,577,897.80/9,651.21
  6. Step 6: Final answer
    x = 7,830.92

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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.