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Finding the Fourth Proportional to 7,021.96, 10,583.04 and 7,021.96

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Solution

The fourth proportional to 7,021.96, 10,583.04 and 7,021.96 is: 10,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.96 : 10,583.04 = 7,021.96 : x
  2. Step 2: Convert to fraction form
    7,021.96/10,583.04 = 7,021.96/x
  3. Step 3: Cross multiply
    7,021.96x = 10,583.04 × 7,021.96
  4. Step 4: Simplify right side
    7,021.96x = 74,313,683.56
  5. Step 5: Solve for x
    x = 74,313,683.56/7,021.96
  6. Step 6: Final answer
    x = 10,583.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.