Home / 9,997.07-13,795.47-5,745.13

Finding the Fourth Proportional to 9,997.07, 13,795.47 and 5,745.13

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Solution

The fourth proportional to 9,997.07, 13,795.47 and 5,745.13 is: 7,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.07 : 13,795.47 = 5,745.13 : x
  2. Step 2: Convert to fraction form
    9,997.07/13,795.47 = 5,745.13/x
  3. Step 3: Cross multiply
    9,997.07x = 13,795.47 × 5,745.13
  4. Step 4: Simplify right side
    9,997.07x = 79,256,699.58
  5. Step 5: Solve for x
    x = 79,256,699.58/9,997.07
  6. Step 6: Final answer
    x = 7,927.99

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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.