Home / 13,043.25-17,999.55-7,074.79

Finding the Fourth Proportional to 13,043.25, 17,999.55 and 7,074.79

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Solution

The fourth proportional to 13,043.25, 17,999.55 and 7,074.79 is: 9,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.25 : 17,999.55 = 7,074.79 : x
  2. Step 2: Convert to fraction form
    13,043.25/17,999.55 = 7,074.79/x
  3. Step 3: Cross multiply
    13,043.25x = 17,999.55 × 7,074.79
  4. Step 4: Simplify right side
    13,043.25x = 127,342,946.35
  5. Step 5: Solve for x
    x = 127,342,946.35/13,043.25
  6. Step 6: Final answer
    x = 9,763.13

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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.