Home / 11,116.36-16,653.66-7,407.64

Finding the Fourth Proportional to 11,116.36, 16,653.66 and 7,407.64

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Solution

The fourth proportional to 11,116.36, 16,653.66 and 7,407.64 is: 11,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.36 : 16,653.66 = 7,407.64 : x
  2. Step 2: Convert to fraction form
    11,116.36/16,653.66 = 7,407.64/x
  3. Step 3: Cross multiply
    11,116.36x = 16,653.66 × 7,407.64
  4. Step 4: Simplify right side
    11,116.36x = 123,364,317.96
  5. Step 5: Solve for x
    x = 123,364,317.96/11,116.36
  6. Step 6: Final answer
    x = 11,097.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.