Home / 7,220.03-10,825.38-4,747.37

Finding the Fourth Proportional to 7,220.03, 10,825.38 and 4,747.37

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Solution

The fourth proportional to 7,220.03, 10,825.38 and 4,747.37 is: 7,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.03 : 10,825.38 = 4,747.37 : x
  2. Step 2: Convert to fraction form
    7,220.03/10,825.38 = 4,747.37/x
  3. Step 3: Cross multiply
    7,220.03x = 10,825.38 × 4,747.37
  4. Step 4: Simplify right side
    7,220.03x = 51,392,030.12
  5. Step 5: Solve for x
    x = 51,392,030.12/7,220.03
  6. Step 6: Final answer
    x = 7,117.99

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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.