Home / 7,372.74-10,174.81-5,552.51

Finding the Fourth Proportional to 7,372.74, 10,174.81 and 5,552.51

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Solution

The fourth proportional to 7,372.74, 10,174.81 and 5,552.51 is: 7,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.74 : 10,174.81 = 5,552.51 : x
  2. Step 2: Convert to fraction form
    7,372.74/10,174.81 = 5,552.51/x
  3. Step 3: Cross multiply
    7,372.74x = 10,174.81 × 5,552.51
  4. Step 4: Simplify right side
    7,372.74x = 56,495,734.27
  5. Step 5: Solve for x
    x = 56,495,734.27/7,372.74
  6. Step 6: Final answer
    x = 7,662.79

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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.