Home / 9,191.12-13,786.76-3,347.76

Finding the Fourth Proportional to 9,191.12, 13,786.76 and 3,347.76

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Solution

The fourth proportional to 9,191.12, 13,786.76 and 3,347.76 is: 5,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.12 : 13,786.76 = 3,347.76 : x
  2. Step 2: Convert to fraction form
    9,191.12/13,786.76 = 3,347.76/x
  3. Step 3: Cross multiply
    9,191.12x = 13,786.76 × 3,347.76
  4. Step 4: Simplify right side
    9,191.12x = 46,154,763.66
  5. Step 5: Solve for x
    x = 46,154,763.66/9,191.12
  6. Step 6: Final answer
    x = 5,021.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.