Home / 10,412.42-14,369.13-5,696.70

Finding the Fourth Proportional to 10,412.42, 14,369.13 and 5,696.70

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Solution

The fourth proportional to 10,412.42, 14,369.13 and 5,696.70 is: 7,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.42 : 14,369.13 = 5,696.70 : x
  2. Step 2: Convert to fraction form
    10,412.42/14,369.13 = 5,696.70/x
  3. Step 3: Cross multiply
    10,412.42x = 14,369.13 × 5,696.70
  4. Step 4: Simplify right side
    10,412.42x = 81,856,622.87
  5. Step 5: Solve for x
    x = 81,856,622.87/10,412.42
  6. Step 6: Final answer
    x = 7,861.44

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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.