Home / 9,369.40-14,063.20-7,311.80

Finding the Fourth Proportional to 9,369.40, 14,063.20 and 7,311.80

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Solution

The fourth proportional to 9,369.40, 14,063.20 and 7,311.80 is: 10,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.40 : 14,063.20 = 7,311.80 : x
  2. Step 2: Convert to fraction form
    9,369.40/14,063.20 = 7,311.80/x
  3. Step 3: Cross multiply
    9,369.40x = 14,063.20 × 7,311.80
  4. Step 4: Simplify right side
    9,369.40x = 102,827,305.76
  5. Step 5: Solve for x
    x = 102,827,305.76/9,369.40
  6. Step 6: Final answer
    x = 10,974.80

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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.