Home / 13,250.09-18,283.05-7,583.54

Finding the Fourth Proportional to 13,250.09, 18,283.05 and 7,583.54

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Solution

The fourth proportional to 13,250.09, 18,283.05 and 7,583.54 is: 10,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.09 : 18,283.05 = 7,583.54 : x
  2. Step 2: Convert to fraction form
    13,250.09/18,283.05 = 7,583.54/x
  3. Step 3: Cross multiply
    13,250.09x = 18,283.05 × 7,583.54
  4. Step 4: Simplify right side
    13,250.09x = 138,650,149.58
  5. Step 5: Solve for x
    x = 138,650,149.58/13,250.09
  6. Step 6: Final answer
    x = 10,464.09

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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.