Home / 11,173.35-15,419.33-6,137.68

Finding the Fourth Proportional to 11,173.35, 15,419.33 and 6,137.68

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Solution

The fourth proportional to 11,173.35, 15,419.33 and 6,137.68 is: 8,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.35 : 15,419.33 = 6,137.68 : x
  2. Step 2: Convert to fraction form
    11,173.35/15,419.33 = 6,137.68/x
  3. Step 3: Cross multiply
    11,173.35x = 15,419.33 × 6,137.68
  4. Step 4: Simplify right side
    11,173.35x = 94,638,840.19
  5. Step 5: Solve for x
    x = 94,638,840.19/11,173.35
  6. Step 6: Final answer
    x = 8,470.05

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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.