Home / 11,106.96-15,324.76-6,628.88

Finding the Fourth Proportional to 11,106.96, 15,324.76 and 6,628.88

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Solution

The fourth proportional to 11,106.96, 15,324.76 and 6,628.88 is: 9,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.96 : 15,324.76 = 6,628.88 : x
  2. Step 2: Convert to fraction form
    11,106.96/15,324.76 = 6,628.88/x
  3. Step 3: Cross multiply
    11,106.96x = 15,324.76 × 6,628.88
  4. Step 4: Simplify right side
    11,106.96x = 101,585,995.07
  5. Step 5: Solve for x
    x = 101,585,995.07/11,106.96
  6. Step 6: Final answer
    x = 9,146.16

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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.