Home / 9,215.58-13,820.62-3,370.83

Finding the Fourth Proportional to 9,215.58, 13,820.62 and 3,370.83

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Solution

The fourth proportional to 9,215.58, 13,820.62 and 3,370.83 is: 5,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.58 : 13,820.62 = 3,370.83 : x
  2. Step 2: Convert to fraction form
    9,215.58/13,820.62 = 3,370.83/x
  3. Step 3: Cross multiply
    9,215.58x = 13,820.62 × 3,370.83
  4. Step 4: Simplify right side
    9,215.58x = 46,586,960.51
  5. Step 5: Solve for x
    x = 46,586,960.51/9,215.58
  6. Step 6: Final answer
    x = 5,055.24

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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.