Home / 8,867.65-13,303.42-2,628.16

Finding the Fourth Proportional to 8,867.65, 13,303.42 and 2,628.16

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Solution

The fourth proportional to 8,867.65, 13,303.42 and 2,628.16 is: 3,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.65 : 13,303.42 = 2,628.16 : x
  2. Step 2: Convert to fraction form
    8,867.65/13,303.42 = 2,628.16/x
  3. Step 3: Cross multiply
    8,867.65x = 13,303.42 × 2,628.16
  4. Step 4: Simplify right side
    8,867.65x = 34,963,516.31
  5. Step 5: Solve for x
    x = 34,963,516.31/8,867.65
  6. Step 6: Final answer
    x = 3,942.82

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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.