Home / 7,370.12-10,170.57-4,012.86

Finding the Fourth Proportional to 7,370.12, 10,170.57 and 4,012.86

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Solution

The fourth proportional to 7,370.12, 10,170.57 and 4,012.86 is: 5,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.12 : 10,170.57 = 4,012.86 : x
  2. Step 2: Convert to fraction form
    7,370.12/10,170.57 = 4,012.86/x
  3. Step 3: Cross multiply
    7,370.12x = 10,170.57 × 4,012.86
  4. Step 4: Simplify right side
    7,370.12x = 40,813,073.53
  5. Step 5: Solve for x
    x = 40,813,073.53/7,370.12
  6. Step 6: Final answer
    x = 5,537.64

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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.