Home / 9,559.73-13,191.99-5,311.06

Finding the Fourth Proportional to 9,559.73, 13,191.99 and 5,311.06

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Solution

The fourth proportional to 9,559.73, 13,191.99 and 5,311.06 is: 7,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.73 : 13,191.99 = 5,311.06 : x
  2. Step 2: Convert to fraction form
    9,559.73/13,191.99 = 5,311.06/x
  3. Step 3: Cross multiply
    9,559.73x = 13,191.99 × 5,311.06
  4. Step 4: Simplify right side
    9,559.73x = 70,063,450.41
  5. Step 5: Solve for x
    x = 70,063,450.41/9,559.73
  6. Step 6: Final answer
    x = 7,329.02

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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.