Home / 9,153.23-13,731.46-3,454.07

Finding the Fourth Proportional to 9,153.23, 13,731.46 and 3,454.07

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Solution

The fourth proportional to 9,153.23, 13,731.46 and 3,454.07 is: 5,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.23 : 13,731.46 = 3,454.07 : x
  2. Step 2: Convert to fraction form
    9,153.23/13,731.46 = 3,454.07/x
  3. Step 3: Cross multiply
    9,153.23x = 13,731.46 × 3,454.07
  4. Step 4: Simplify right side
    9,153.23x = 47,429,398.35
  5. Step 5: Solve for x
    x = 47,429,398.35/9,153.23
  6. Step 6: Final answer
    x = 5,181.71

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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.