Home / 7,132.32-10,699.68-2,974.56

Finding the Fourth Proportional to 7,132.32, 10,699.68 and 2,974.56

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Solution

The fourth proportional to 7,132.32, 10,699.68 and 2,974.56 is: 4,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.32 : 10,699.68 = 2,974.56 : x
  2. Step 2: Convert to fraction form
    7,132.32/10,699.68 = 2,974.56/x
  3. Step 3: Cross multiply
    7,132.32x = 10,699.68 × 2,974.56
  4. Step 4: Simplify right side
    7,132.32x = 31,826,840.14
  5. Step 5: Solve for x
    x = 31,826,840.14/7,132.32
  6. Step 6: Final answer
    x = 4,462.34

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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.