Home / 7,226.89-9,973.34-4,083.28

Finding the Fourth Proportional to 7,226.89, 9,973.34 and 4,083.28

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Solution

The fourth proportional to 7,226.89, 9,973.34 and 4,083.28 is: 5,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.89 : 9,973.34 = 4,083.28 : x
  2. Step 2: Convert to fraction form
    7,226.89/9,973.34 = 4,083.28/x
  3. Step 3: Cross multiply
    7,226.89x = 9,973.34 × 4,083.28
  4. Step 4: Simplify right side
    7,226.89x = 40,723,939.76
  5. Step 5: Solve for x
    x = 40,723,939.76/7,226.89
  6. Step 6: Final answer
    x = 5,635.06

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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.