Home / 8,688.69-13,035.06-2,844.95

Finding the Fourth Proportional to 8,688.69, 13,035.06 and 2,844.95

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Solution

The fourth proportional to 8,688.69, 13,035.06 and 2,844.95 is: 4,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.69 : 13,035.06 = 2,844.95 : x
  2. Step 2: Convert to fraction form
    8,688.69/13,035.06 = 2,844.95/x
  3. Step 3: Cross multiply
    8,688.69x = 13,035.06 × 2,844.95
  4. Step 4: Simplify right side
    8,688.69x = 37,084,028.77
  5. Step 5: Solve for x
    x = 37,084,028.77/8,688.69
  6. Step 6: Final answer
    x = 4,268.08

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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.