Home / 9,908.07-13,672.70-5,931.37

Finding the Fourth Proportional to 9,908.07, 13,672.70 and 5,931.37

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Solution

The fourth proportional to 9,908.07, 13,672.70 and 5,931.37 is: 8,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.07 : 13,672.70 = 5,931.37 : x
  2. Step 2: Convert to fraction form
    9,908.07/13,672.70 = 5,931.37/x
  3. Step 3: Cross multiply
    9,908.07x = 13,672.70 × 5,931.37
  4. Step 4: Simplify right side
    9,908.07x = 81,097,896.53
  5. Step 5: Solve for x
    x = 81,097,896.53/9,908.07
  6. Step 6: Final answer
    x = 8,185.04

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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.