Home / 11,146.37-16,708.56-5,307.08

Finding the Fourth Proportional to 11,146.37, 16,708.56 and 5,307.08

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Solution

The fourth proportional to 11,146.37, 16,708.56 and 5,307.08 is: 7,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.37 : 16,708.56 = 5,307.08 : x
  2. Step 2: Convert to fraction form
    11,146.37/16,708.56 = 5,307.08/x
  3. Step 3: Cross multiply
    11,146.37x = 16,708.56 × 5,307.08
  4. Step 4: Simplify right side
    11,146.37x = 88,673,664.60
  5. Step 5: Solve for x
    x = 88,673,664.60/11,146.37
  6. Step 6: Final answer
    x = 7,955.38

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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.