Home / 12,252.21-16,911.90-7,216.08

Finding the Fourth Proportional to 12,252.21, 16,911.90 and 7,216.08

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Solution

The fourth proportional to 12,252.21, 16,911.90 and 7,216.08 is: 9,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.21 : 16,911.90 = 7,216.08 : x
  2. Step 2: Convert to fraction form
    12,252.21/16,911.90 = 7,216.08/x
  3. Step 3: Cross multiply
    12,252.21x = 16,911.90 × 7,216.08
  4. Step 4: Simplify right side
    12,252.21x = 122,037,623.35
  5. Step 5: Solve for x
    x = 122,037,623.35/12,252.21
  6. Step 6: Final answer
    x = 9,960.46

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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.