Home / 12,376.35-17,081.84-7,343.37

Finding the Fourth Proportional to 12,376.35, 17,081.84 and 7,343.37

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Solution

The fourth proportional to 12,376.35, 17,081.84 and 7,343.37 is: 10,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.35 : 17,081.84 = 7,343.37 : x
  2. Step 2: Convert to fraction form
    12,376.35/17,081.84 = 7,343.37/x
  3. Step 3: Cross multiply
    12,376.35x = 17,081.84 × 7,343.37
  4. Step 4: Simplify right side
    12,376.35x = 125,438,289.76
  5. Step 5: Solve for x
    x = 125,438,289.76/12,376.35
  6. Step 6: Final answer
    x = 10,135.32

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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.