Home / 11,450.88-15,802.56-6,976.08

Finding the Fourth Proportional to 11,450.88, 15,802.56 and 6,976.08

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Solution

The fourth proportional to 11,450.88, 15,802.56 and 6,976.08 is: 9,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.88 : 15,802.56 = 6,976.08 : x
  2. Step 2: Convert to fraction form
    11,450.88/15,802.56 = 6,976.08/x
  3. Step 3: Cross multiply
    11,450.88x = 15,802.56 × 6,976.08
  4. Step 4: Simplify right side
    11,450.88x = 110,239,922.76
  5. Step 5: Solve for x
    x = 110,239,922.76/11,450.88
  6. Step 6: Final answer
    x = 9,627.20

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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.