Home / 12,624.21-17,418.60-7,246.32

Finding the Fourth Proportional to 12,624.21, 17,418.60 and 7,246.32

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Solution

The fourth proportional to 12,624.21, 17,418.60 and 7,246.32 is: 9,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.21 : 17,418.60 = 7,246.32 : x
  2. Step 2: Convert to fraction form
    12,624.21/17,418.60 = 7,246.32/x
  3. Step 3: Cross multiply
    12,624.21x = 17,418.60 × 7,246.32
  4. Step 4: Simplify right side
    12,624.21x = 126,220,749.55
  5. Step 5: Solve for x
    x = 126,220,749.55/12,624.21
  6. Step 6: Final answer
    x = 9,998.31

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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.