Home / 7,021.80-10,532.68-4,823.87

Finding the Fourth Proportional to 7,021.80, 10,532.68 and 4,823.87

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Solution

The fourth proportional to 7,021.80, 10,532.68 and 4,823.87 is: 7,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.80 : 10,532.68 = 4,823.87 : x
  2. Step 2: Convert to fraction form
    7,021.80/10,532.68 = 4,823.87/x
  3. Step 3: Cross multiply
    7,021.80x = 10,532.68 × 4,823.87
  4. Step 4: Simplify right side
    7,021.80x = 50,808,214.35
  5. Step 5: Solve for x
    x = 50,808,214.35/7,021.80
  6. Step 6: Final answer
    x = 7,235.78

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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.