Home / 7,839.84-10,819.14-4,303.06

Finding the Fourth Proportional to 7,839.84, 10,819.14 and 4,303.06

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Solution

The fourth proportional to 7,839.84, 10,819.14 and 4,303.06 is: 5,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.84 : 10,819.14 = 4,303.06 : x
  2. Step 2: Convert to fraction form
    7,839.84/10,819.14 = 4,303.06/x
  3. Step 3: Cross multiply
    7,839.84x = 10,819.14 × 4,303.06
  4. Step 4: Simplify right side
    7,839.84x = 46,555,408.57
  5. Step 5: Solve for x
    x = 46,555,408.57/7,839.84
  6. Step 6: Final answer
    x = 5,938.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.