Home / 9,162.42-13,747.95-3,317.46

Finding the Fourth Proportional to 9,162.42, 13,747.95 and 3,317.46

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Solution

The fourth proportional to 9,162.42, 13,747.95 and 3,317.46 is: 4,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.42 : 13,747.95 = 3,317.46 : x
  2. Step 2: Convert to fraction form
    9,162.42/13,747.95 = 3,317.46/x
  3. Step 3: Cross multiply
    9,162.42x = 13,747.95 × 3,317.46
  4. Step 4: Simplify right side
    9,162.42x = 45,608,274.21
  5. Step 5: Solve for x
    x = 45,608,274.21/9,162.42
  6. Step 6: Final answer
    x = 4,977.75

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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.