Home / 13,466.41-18,582.83-7,800.79

Finding the Fourth Proportional to 13,466.41, 18,582.83 and 7,800.79

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Solution

The fourth proportional to 13,466.41, 18,582.83 and 7,800.79 is: 10,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.41 : 18,582.83 = 7,800.79 : x
  2. Step 2: Convert to fraction form
    13,466.41/18,582.83 = 7,800.79/x
  3. Step 3: Cross multiply
    13,466.41x = 18,582.83 × 7,800.79
  4. Step 4: Simplify right side
    13,466.41x = 144,960,776.95
  5. Step 5: Solve for x
    x = 144,960,776.95/13,466.41
  6. Step 6: Final answer
    x = 10,764.62

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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.