Home / 7,181.76-10,774.56-5,203.68

Finding the Fourth Proportional to 7,181.76, 10,774.56 and 5,203.68

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Solution

The fourth proportional to 7,181.76, 10,774.56 and 5,203.68 is: 7,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.76 : 10,774.56 = 5,203.68 : x
  2. Step 2: Convert to fraction form
    7,181.76/10,774.56 = 5,203.68/x
  3. Step 3: Cross multiply
    7,181.76x = 10,774.56 × 5,203.68
  4. Step 4: Simplify right side
    7,181.76x = 56,067,362.38
  5. Step 5: Solve for x
    x = 56,067,362.38/7,181.76
  6. Step 6: Final answer
    x = 7,806.91

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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.