Home / 12,110.49-16,698.96-7,855.92

Finding the Fourth Proportional to 12,110.49, 16,698.96 and 7,855.92

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Solution

The fourth proportional to 12,110.49, 16,698.96 and 7,855.92 is: 10,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.49 : 16,698.96 = 7,855.92 : x
  2. Step 2: Convert to fraction form
    12,110.49/16,698.96 = 7,855.92/x
  3. Step 3: Cross multiply
    12,110.49x = 16,698.96 × 7,855.92
  4. Step 4: Simplify right side
    12,110.49x = 131,185,693.84
  5. Step 5: Solve for x
    x = 131,185,693.84/12,110.49
  6. Step 6: Final answer
    x = 10,832.40

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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.