Home / 12,317.56-18,481.74-4,528.60

Finding the Fourth Proportional to 12,317.56, 18,481.74 and 4,528.60

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Solution

The fourth proportional to 12,317.56, 18,481.74 and 4,528.60 is: 6,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.56 : 18,481.74 = 4,528.60 : x
  2. Step 2: Convert to fraction form
    12,317.56/18,481.74 = 4,528.60/x
  3. Step 3: Cross multiply
    12,317.56x = 18,481.74 × 4,528.60
  4. Step 4: Simplify right side
    12,317.56x = 83,696,407.76
  5. Step 5: Solve for x
    x = 83,696,407.76/12,317.56
  6. Step 6: Final answer
    x = 6,794.89

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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.