Home / 12,392.45-17,101.71-6,727.25

Finding the Fourth Proportional to 12,392.45, 17,101.71 and 6,727.25

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Solution

The fourth proportional to 12,392.45, 17,101.71 and 6,727.25 is: 9,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.45 : 17,101.71 = 6,727.25 : x
  2. Step 2: Convert to fraction form
    12,392.45/17,101.71 = 6,727.25/x
  3. Step 3: Cross multiply
    12,392.45x = 17,101.71 × 6,727.25
  4. Step 4: Simplify right side
    12,392.45x = 115,047,457.22
  5. Step 5: Solve for x
    x = 115,047,457.22/12,392.45
  6. Step 6: Final answer
    x = 9,283.67

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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.