Home / 9,910.43-13,676.65-5,603.18

Finding the Fourth Proportional to 9,910.43, 13,676.65 and 5,603.18

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Solution

The fourth proportional to 9,910.43, 13,676.65 and 5,603.18 is: 7,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.43 : 13,676.65 = 5,603.18 : x
  2. Step 2: Convert to fraction form
    9,910.43/13,676.65 = 5,603.18/x
  3. Step 3: Cross multiply
    9,910.43x = 13,676.65 × 5,603.18
  4. Step 4: Simplify right side
    9,910.43x = 76,632,731.75
  5. Step 5: Solve for x
    x = 76,632,731.75/9,910.43
  6. Step 6: Final answer
    x = 7,732.53

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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.