Home / 11,683.31-16,120.08-6,903.36

Finding the Fourth Proportional to 11,683.31, 16,120.08 and 6,903.36

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Solution

The fourth proportional to 11,683.31, 16,120.08 and 6,903.36 is: 9,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.31 : 16,120.08 = 6,903.36 : x
  2. Step 2: Convert to fraction form
    11,683.31/16,120.08 = 6,903.36/x
  3. Step 3: Cross multiply
    11,683.31x = 16,120.08 × 6,903.36
  4. Step 4: Simplify right side
    11,683.31x = 111,282,715.47
  5. Step 5: Solve for x
    x = 111,282,715.47/11,683.31
  6. Step 6: Final answer
    x = 9,524.93

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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.