Home / 12,232.13-16,880.32-6,643.09

Finding the Fourth Proportional to 12,232.13, 16,880.32 and 6,643.09

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Solution

The fourth proportional to 12,232.13, 16,880.32 and 6,643.09 is: 9,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.13 : 16,880.32 = 6,643.09 : x
  2. Step 2: Convert to fraction form
    12,232.13/16,880.32 = 6,643.09/x
  3. Step 3: Cross multiply
    12,232.13x = 16,880.32 × 6,643.09
  4. Step 4: Simplify right side
    12,232.13x = 112,137,484.99
  5. Step 5: Solve for x
    x = 112,137,484.99/12,232.13
  6. Step 6: Final answer
    x = 9,167.45

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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.