Home / 7,914.84-11,849.58-5,313.12

Finding the Fourth Proportional to 7,914.84, 11,849.58 and 5,313.12

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Solution

The fourth proportional to 7,914.84, 11,849.58 and 5,313.12 is: 7,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.84 : 11,849.58 = 5,313.12 : x
  2. Step 2: Convert to fraction form
    7,914.84/11,849.58 = 5,313.12/x
  3. Step 3: Cross multiply
    7,914.84x = 11,849.58 × 5,313.12
  4. Step 4: Simplify right side
    7,914.84x = 62,958,240.49
  5. Step 5: Solve for x
    x = 62,958,240.49/7,914.84
  6. Step 6: Final answer
    x = 7,954.46

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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.