Home / 11,943.88-16,483.56-6,909.53

Finding the Fourth Proportional to 11,943.88, 16,483.56 and 6,909.53

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Solution

The fourth proportional to 11,943.88, 16,483.56 and 6,909.53 is: 9,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.88 : 16,483.56 = 6,909.53 : x
  2. Step 2: Convert to fraction form
    11,943.88/16,483.56 = 6,909.53/x
  3. Step 3: Cross multiply
    11,943.88x = 16,483.56 × 6,909.53
  4. Step 4: Simplify right side
    11,943.88x = 113,893,652.33
  5. Step 5: Solve for x
    x = 113,893,652.33/11,943.88
  6. Step 6: Final answer
    x = 9,535.74

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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.