Home / 11,369.53-15,690.73-6,893.47

Finding the Fourth Proportional to 11,369.53, 15,690.73 and 6,893.47

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Solution

The fourth proportional to 11,369.53, 15,690.73 and 6,893.47 is: 9,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.53 : 15,690.73 = 6,893.47 : x
  2. Step 2: Convert to fraction form
    11,369.53/15,690.73 = 6,893.47/x
  3. Step 3: Cross multiply
    11,369.53x = 15,690.73 × 6,893.47
  4. Step 4: Simplify right side
    11,369.53x = 108,163,576.53
  5. Step 5: Solve for x
    x = 108,163,576.53/11,369.53
  6. Step 6: Final answer
    x = 9,513.46

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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.