Home / 12,164.04-16,786.35-6,858.83

Finding the Fourth Proportional to 12,164.04, 16,786.35 and 6,858.83

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Solution

The fourth proportional to 12,164.04, 16,786.35 and 6,858.83 is: 9,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.04 : 16,786.35 = 6,858.83 : x
  2. Step 2: Convert to fraction form
    12,164.04/16,786.35 = 6,858.83/x
  3. Step 3: Cross multiply
    12,164.04x = 16,786.35 × 6,858.83
  4. Step 4: Simplify right side
    12,164.04x = 115,134,762.94
  5. Step 5: Solve for x
    x = 115,134,762.94/12,164.04
  6. Step 6: Final answer
    x = 9,465.17

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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.