Home / 11,378.07-17,065.73-4,803.39

Finding the Fourth Proportional to 11,378.07, 17,065.73 and 4,803.39

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Solution

The fourth proportional to 11,378.07, 17,065.73 and 4,803.39 is: 7,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.07 : 17,065.73 = 4,803.39 : x
  2. Step 2: Convert to fraction form
    11,378.07/17,065.73 = 4,803.39/x
  3. Step 3: Cross multiply
    11,378.07x = 17,065.73 × 4,803.39
  4. Step 4: Simplify right side
    11,378.07x = 81,973,368.83
  5. Step 5: Solve for x
    x = 81,973,368.83/11,378.07
  6. Step 6: Final answer
    x = 7,204.51

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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.