Home / 11,316.85-15,619.13-6,601.14

Finding the Fourth Proportional to 11,316.85, 15,619.13 and 6,601.14

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Solution

The fourth proportional to 11,316.85, 15,619.13 and 6,601.14 is: 9,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.85 : 15,619.13 = 6,601.14 : x
  2. Step 2: Convert to fraction form
    11,316.85/15,619.13 = 6,601.14/x
  3. Step 3: Cross multiply
    11,316.85x = 15,619.13 × 6,601.14
  4. Step 4: Simplify right side
    11,316.85x = 103,104,063.81
  5. Step 5: Solve for x
    x = 103,104,063.81/11,316.85
  6. Step 6: Final answer
    x = 9,110.67

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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.