Home / 11,116.30-15,338.36-6,336.15

Finding the Fourth Proportional to 11,116.30, 15,338.36 and 6,336.15

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Solution

The fourth proportional to 11,116.30, 15,338.36 and 6,336.15 is: 8,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.30 : 15,338.36 = 6,336.15 : x
  2. Step 2: Convert to fraction form
    11,116.30/15,338.36 = 6,336.15/x
  3. Step 3: Cross multiply
    11,116.30x = 15,338.36 × 6,336.15
  4. Step 4: Simplify right side
    11,116.30x = 97,186,149.71
  5. Step 5: Solve for x
    x = 97,186,149.71/11,116.30
  6. Step 6: Final answer
    x = 8,742.67

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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.