Home / 10,392.06-14,334.62-7,408.86

Finding the Fourth Proportional to 10,392.06, 14,334.62 and 7,408.86

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Solution

The fourth proportional to 10,392.06, 14,334.62 and 7,408.86 is: 10,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.06 : 14,334.62 = 7,408.86 : x
  2. Step 2: Convert to fraction form
    10,392.06/14,334.62 = 7,408.86/x
  3. Step 3: Cross multiply
    10,392.06x = 14,334.62 × 7,408.86
  4. Step 4: Simplify right side
    10,392.06x = 106,203,192.73
  5. Step 5: Solve for x
    x = 106,203,192.73/10,392.06
  6. Step 6: Final answer
    x = 10,219.65

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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.