Home / 12,190.06-16,823.47-7,409.58

Finding the Fourth Proportional to 12,190.06, 16,823.47 and 7,409.58

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Solution

The fourth proportional to 12,190.06, 16,823.47 and 7,409.58 is: 10,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.06 : 16,823.47 = 7,409.58 : x
  2. Step 2: Convert to fraction form
    12,190.06/16,823.47 = 7,409.58/x
  3. Step 3: Cross multiply
    12,190.06x = 16,823.47 × 7,409.58
  4. Step 4: Simplify right side
    12,190.06x = 124,654,846.84
  5. Step 5: Solve for x
    x = 124,654,846.84/12,190.06
  6. Step 6: Final answer
    x = 10,225.94

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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.