Home / 12,165.49-18,246.65-3,846.34

Finding the Fourth Proportional to 12,165.49, 18,246.65 and 3,846.34

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Solution

The fourth proportional to 12,165.49, 18,246.65 and 3,846.34 is: 5,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.49 : 18,246.65 = 3,846.34 : x
  2. Step 2: Convert to fraction form
    12,165.49/18,246.65 = 3,846.34/x
  3. Step 3: Cross multiply
    12,165.49x = 18,246.65 × 3,846.34
  4. Step 4: Simplify right side
    12,165.49x = 70,182,783.76
  5. Step 5: Solve for x
    x = 70,182,783.76/12,165.49
  6. Step 6: Final answer
    x = 5,769.01

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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.