Home / 7,222.49-10,815.23-4,998.24

Finding the Fourth Proportional to 7,222.49, 10,815.23 and 4,998.24

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Solution

The fourth proportional to 7,222.49, 10,815.23 and 4,998.24 is: 7,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.49 : 10,815.23 = 4,998.24 : x
  2. Step 2: Convert to fraction form
    7,222.49/10,815.23 = 4,998.24/x
  3. Step 3: Cross multiply
    7,222.49x = 10,815.23 × 4,998.24
  4. Step 4: Simplify right side
    7,222.49x = 54,057,136.19
  5. Step 5: Solve for x
    x = 54,057,136.19/7,222.49
  6. Step 6: Final answer
    x = 7,484.56

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Double scale
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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.