Home / 11,395.49-15,725.82-6,359.63

Finding the Fourth Proportional to 11,395.49, 15,725.82 and 6,359.63

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Solution

The fourth proportional to 11,395.49, 15,725.82 and 6,359.63 is: 8,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.49 : 15,725.82 = 6,359.63 : x
  2. Step 2: Convert to fraction form
    11,395.49/15,725.82 = 6,359.63/x
  3. Step 3: Cross multiply
    11,395.49x = 15,725.82 × 6,359.63
  4. Step 4: Simplify right side
    11,395.49x = 100,010,318.02
  5. Step 5: Solve for x
    x = 100,010,318.02/11,395.49
  6. Step 6: Final answer
    x = 8,776.31

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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.