Home / 9,893.21-13,652.07-5,416.09

Finding the Fourth Proportional to 9,893.21, 13,652.07 and 5,416.09

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Solution

The fourth proportional to 9,893.21, 13,652.07 and 5,416.09 is: 7,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.21 : 13,652.07 = 5,416.09 : x
  2. Step 2: Convert to fraction form
    9,893.21/13,652.07 = 5,416.09/x
  3. Step 3: Cross multiply
    9,893.21x = 13,652.07 × 5,416.09
  4. Step 4: Simplify right side
    9,893.21x = 73,940,839.81
  5. Step 5: Solve for x
    x = 73,940,839.81/9,893.21
  6. Step 6: Final answer
    x = 7,473.90

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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.