Home / 9,167.72-13,756.91-3,902.45

Finding the Fourth Proportional to 9,167.72, 13,756.91 and 3,902.45

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Solution

The fourth proportional to 9,167.72, 13,756.91 and 3,902.45 is: 5,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.72 : 13,756.91 = 3,902.45 : x
  2. Step 2: Convert to fraction form
    9,167.72/13,756.91 = 3,902.45/x
  3. Step 3: Cross multiply
    9,167.72x = 13,756.91 × 3,902.45
  4. Step 4: Simplify right side
    9,167.72x = 53,685,565.13
  5. Step 5: Solve for x
    x = 53,685,565.13/9,167.72
  6. Step 6: Final answer
    x = 5,855.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.