Home / 11,243.40-16,865.10-2,923.35

Finding the Fourth Proportional to 11,243.40, 16,865.10 and 2,923.35

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Solution

The fourth proportional to 11,243.40, 16,865.10 and 2,923.35 is: 4,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.40 : 16,865.10 = 2,923.35 : x
  2. Step 2: Convert to fraction form
    11,243.40/16,865.10 = 2,923.35/x
  3. Step 3: Cross multiply
    11,243.40x = 16,865.10 × 2,923.35
  4. Step 4: Simplify right side
    11,243.40x = 49,302,590.09
  5. Step 5: Solve for x
    x = 49,302,590.09/11,243.40
  6. Step 6: Final answer
    x = 4,385.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.