Home / 8,628.84-12,932.33-3,693.06

Finding the Fourth Proportional to 8,628.84, 12,932.33 and 3,693.06

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Solution

The fourth proportional to 8,628.84, 12,932.33 and 3,693.06 is: 5,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.84 : 12,932.33 = 3,693.06 : x
  2. Step 2: Convert to fraction form
    8,628.84/12,932.33 = 3,693.06/x
  3. Step 3: Cross multiply
    8,628.84x = 12,932.33 × 3,693.06
  4. Step 4: Simplify right side
    8,628.84x = 47,759,852.16
  5. Step 5: Solve for x
    x = 47,759,852.16/8,628.84
  6. Step 6: Final answer
    x = 5,534.91

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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.