Home / 13,043.12-17,999.37-7,074.66

Finding the Fourth Proportional to 13,043.12, 17,999.37 and 7,074.66

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Solution

The fourth proportional to 13,043.12, 17,999.37 and 7,074.66 is: 9,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.12 : 17,999.37 = 7,074.66 : x
  2. Step 2: Convert to fraction form
    13,043.12/17,999.37 = 7,074.66/x
  3. Step 3: Cross multiply
    13,043.12x = 17,999.37 × 7,074.66
  4. Step 4: Simplify right side
    13,043.12x = 127,339,516.99
  5. Step 5: Solve for x
    x = 127,339,516.99/13,043.12
  6. Step 6: Final answer
    x = 9,762.96

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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.