Home / 12,230.12-16,880.58-6,928.08

Finding the Fourth Proportional to 12,230.12, 16,880.58 and 6,928.08

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Solution

The fourth proportional to 12,230.12, 16,880.58 and 6,928.08 is: 9,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.12 : 16,880.58 = 6,928.08 : x
  2. Step 2: Convert to fraction form
    12,230.12/16,880.58 = 6,928.08/x
  3. Step 3: Cross multiply
    12,230.12x = 16,880.58 × 6,928.08
  4. Step 4: Simplify right side
    12,230.12x = 116,950,008.69
  5. Step 5: Solve for x
    x = 116,950,008.69/12,230.12
  6. Step 6: Final answer
    x = 9,562.46

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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.