Home / 11,092.41-15,318.32-7,730.51

Finding the Fourth Proportional to 11,092.41, 15,318.32 and 7,730.51

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Solution

The fourth proportional to 11,092.41, 15,318.32 and 7,730.51 is: 10,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.41 : 15,318.32 = 7,730.51 : x
  2. Step 2: Convert to fraction form
    11,092.41/15,318.32 = 7,730.51/x
  3. Step 3: Cross multiply
    11,092.41x = 15,318.32 × 7,730.51
  4. Step 4: Simplify right side
    11,092.41x = 118,418,310.70
  5. Step 5: Solve for x
    x = 118,418,310.70/11,092.41
  6. Step 6: Final answer
    x = 10,675.62

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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.