Home / 10,206.45-14,084.04-6,174.78

Finding the Fourth Proportional to 10,206.45, 14,084.04 and 6,174.78

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Solution

The fourth proportional to 10,206.45, 14,084.04 and 6,174.78 is: 8,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.45 : 14,084.04 = 6,174.78 : x
  2. Step 2: Convert to fraction form
    10,206.45/14,084.04 = 6,174.78/x
  3. Step 3: Cross multiply
    10,206.45x = 14,084.04 × 6,174.78
  4. Step 4: Simplify right side
    10,206.45x = 86,965,848.51
  5. Step 5: Solve for x
    x = 86,965,848.51/10,206.45
  6. Step 6: Final answer
    x = 8,520.68

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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.