Home / 7,390.24-10,181.21-5,148.06

Finding the Fourth Proportional to 7,390.24, 10,181.21 and 5,148.06

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Solution

The fourth proportional to 7,390.24, 10,181.21 and 5,148.06 is: 7,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.24 : 10,181.21 = 5,148.06 : x
  2. Step 2: Convert to fraction form
    7,390.24/10,181.21 = 5,148.06/x
  3. Step 3: Cross multiply
    7,390.24x = 10,181.21 × 5,148.06
  4. Step 4: Simplify right side
    7,390.24x = 52,413,454.21
  5. Step 5: Solve for x
    x = 52,413,454.21/7,390.24
  6. Step 6: Final answer
    x = 7,092.25

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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.