Home / 12,174.59-16,763.46-10,378.04

Finding the Fourth Proportional to 12,174.59, 16,763.46 and 10,378.04

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Solution

The fourth proportional to 12,174.59, 16,763.46 and 10,378.04 is: 14,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.59 : 16,763.46 = 10,378.04 : x
  2. Step 2: Convert to fraction form
    12,174.59/16,763.46 = 10,378.04/x
  3. Step 3: Cross multiply
    12,174.59x = 16,763.46 × 10,378.04
  4. Step 4: Simplify right side
    12,174.59x = 173,971,939.24
  5. Step 5: Solve for x
    x = 173,971,939.24/12,174.59
  6. Step 6: Final answer
    x = 14,289.75

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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.