Home / 12,261.24-18,394.58-4,470.05

Finding the Fourth Proportional to 12,261.24, 18,394.58 and 4,470.05

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Solution

The fourth proportional to 12,261.24, 18,394.58 and 4,470.05 is: 6,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.24 : 18,394.58 = 4,470.05 : x
  2. Step 2: Convert to fraction form
    12,261.24/18,394.58 = 4,470.05/x
  3. Step 3: Cross multiply
    12,261.24x = 18,394.58 × 4,470.05
  4. Step 4: Simplify right side
    12,261.24x = 82,224,749.49
  5. Step 5: Solve for x
    x = 82,224,749.49/12,261.24
  6. Step 6: Final answer
    x = 6,706.07

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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.