Home / 11,362.44-15,680.88-6,886.32

Finding the Fourth Proportional to 11,362.44, 15,680.88 and 6,886.32

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Solution

The fourth proportional to 11,362.44, 15,680.88 and 6,886.32 is: 9,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.44 : 15,680.88 = 6,886.32 : x
  2. Step 2: Convert to fraction form
    11,362.44/15,680.88 = 6,886.32/x
  3. Step 3: Cross multiply
    11,362.44x = 15,680.88 × 6,886.32
  4. Step 4: Simplify right side
    11,362.44x = 107,983,557.56
  5. Step 5: Solve for x
    x = 107,983,557.56/11,362.44
  6. Step 6: Final answer
    x = 9,503.55

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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.