Home / 6,345.51-9,516.18-2,185.43

Finding the Fourth Proportional to 6,345.51, 9,516.18 and 2,185.43

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Solution

The fourth proportional to 6,345.51, 9,516.18 and 2,185.43 is: 3,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.51 : 9,516.18 = 2,185.43 : x
  2. Step 2: Convert to fraction form
    6,345.51/9,516.18 = 2,185.43/x
  3. Step 3: Cross multiply
    6,345.51x = 9,516.18 × 2,185.43
  4. Step 4: Simplify right side
    6,345.51x = 20,796,959.40
  5. Step 5: Solve for x
    x = 20,796,959.40/6,345.51
  6. Step 6: Final answer
    x = 3,277.43

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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.