Home / 12,333.87-17,020.40-6,744.75

Finding the Fourth Proportional to 12,333.87, 17,020.40 and 6,744.75

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Solution

The fourth proportional to 12,333.87, 17,020.40 and 6,744.75 is: 9,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.87 : 17,020.40 = 6,744.75 : x
  2. Step 2: Convert to fraction form
    12,333.87/17,020.40 = 6,744.75/x
  3. Step 3: Cross multiply
    12,333.87x = 17,020.40 × 6,744.75
  4. Step 4: Simplify right side
    12,333.87x = 114,798,309.18
  5. Step 5: Solve for x
    x = 114,798,309.18/12,333.87
  6. Step 6: Final answer
    x = 9,307.57

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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.