Home / 10,078.19-13,898.37-7,683.96

Finding the Fourth Proportional to 10,078.19, 13,898.37 and 7,683.96

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Solution

The fourth proportional to 10,078.19, 13,898.37 and 7,683.96 is: 10,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.19 : 13,898.37 = 7,683.96 : x
  2. Step 2: Convert to fraction form
    10,078.19/13,898.37 = 7,683.96/x
  3. Step 3: Cross multiply
    10,078.19x = 13,898.37 × 7,683.96
  4. Step 4: Simplify right side
    10,078.19x = 106,794,519.15
  5. Step 5: Solve for x
    x = 106,794,519.15/10,078.19
  6. Step 6: Final answer
    x = 10,596.59

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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.