Home / 11,360.94-15,684.24-7,968.36

Finding the Fourth Proportional to 11,360.94, 15,684.24 and 7,968.36

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Solution

The fourth proportional to 11,360.94, 15,684.24 and 7,968.36 is: 11,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.94 : 15,684.24 = 7,968.36 : x
  2. Step 2: Convert to fraction form
    11,360.94/15,684.24 = 7,968.36/x
  3. Step 3: Cross multiply
    11,360.94x = 15,684.24 × 7,968.36
  4. Step 4: Simplify right side
    11,360.94x = 124,977,670.65
  5. Step 5: Solve for x
    x = 124,977,670.65/11,360.94
  6. Step 6: Final answer
    x = 11,000.65

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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.