Home / 11,749.23-16,214.31-6,444.45

Finding the Fourth Proportional to 11,749.23, 16,214.31 and 6,444.45

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Solution

The fourth proportional to 11,749.23, 16,214.31 and 6,444.45 is: 8,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.23 : 16,214.31 = 6,444.45 : x
  2. Step 2: Convert to fraction form
    11,749.23/16,214.31 = 6,444.45/x
  3. Step 3: Cross multiply
    11,749.23x = 16,214.31 × 6,444.45
  4. Step 4: Simplify right side
    11,749.23x = 104,492,310.08
  5. Step 5: Solve for x
    x = 104,492,310.08/11,749.23
  6. Step 6: Final answer
    x = 8,893.55

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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.