Home / 12,770.85-17,623.74-7,464.60

Finding the Fourth Proportional to 12,770.85, 17,623.74 and 7,464.60

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Solution

The fourth proportional to 12,770.85, 17,623.74 and 7,464.60 is: 10,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.85 : 17,623.74 = 7,464.60 : x
  2. Step 2: Convert to fraction form
    12,770.85/17,623.74 = 7,464.60/x
  3. Step 3: Cross multiply
    12,770.85x = 17,623.74 × 7,464.60
  4. Step 4: Simplify right side
    12,770.85x = 131,554,169.60
  5. Step 5: Solve for x
    x = 131,554,169.60/12,770.85
  6. Step 6: Final answer
    x = 10,301.13

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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.