Home / 13,043.36-17,999.34-7,074.82

Finding the Fourth Proportional to 13,043.36, 17,999.34 and 7,074.82

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Solution

The fourth proportional to 13,043.36, 17,999.34 and 7,074.82 is: 9,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.36 : 17,999.34 = 7,074.82 : x
  2. Step 2: Convert to fraction form
    13,043.36/17,999.34 = 7,074.82/x
  3. Step 3: Cross multiply
    13,043.36x = 17,999.34 × 7,074.82
  4. Step 4: Simplify right side
    13,043.36x = 127,342,090.62
  5. Step 5: Solve for x
    x = 127,342,090.62/13,043.36
  6. Step 6: Final answer
    x = 9,762.98

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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.