Home / 7,765.93-10,717.68-4,408.89

Finding the Fourth Proportional to 7,765.93, 10,717.68 and 4,408.89

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Solution

The fourth proportional to 7,765.93, 10,717.68 and 4,408.89 is: 6,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.93 : 10,717.68 = 4,408.89 : x
  2. Step 2: Convert to fraction form
    7,765.93/10,717.68 = 4,408.89/x
  3. Step 3: Cross multiply
    7,765.93x = 10,717.68 × 4,408.89
  4. Step 4: Simplify right side
    7,765.93x = 47,253,072.18
  5. Step 5: Solve for x
    x = 47,253,072.18/7,765.93
  6. Step 6: Final answer
    x = 6,084.66

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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.