Home / 7,973.12-11,960.16-3,356.48

Finding the Fourth Proportional to 7,973.12, 11,960.16 and 3,356.48

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Solution

The fourth proportional to 7,973.12, 11,960.16 and 3,356.48 is: 5,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.12 : 11,960.16 = 3,356.48 : x
  2. Step 2: Convert to fraction form
    7,973.12/11,960.16 = 3,356.48/x
  3. Step 3: Cross multiply
    7,973.12x = 11,960.16 × 3,356.48
  4. Step 4: Simplify right side
    7,973.12x = 40,144,037.84
  5. Step 5: Solve for x
    x = 40,144,037.84/7,973.12
  6. Step 6: Final answer
    x = 5,034.92

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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.