Home / 11,099.46-15,291.20-7,736.16

Finding the Fourth Proportional to 11,099.46, 15,291.20 and 7,736.16

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Solution

The fourth proportional to 11,099.46, 15,291.20 and 7,736.16 is: 10,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.46 : 15,291.20 = 7,736.16 : x
  2. Step 2: Convert to fraction form
    11,099.46/15,291.20 = 7,736.16/x
  3. Step 3: Cross multiply
    11,099.46x = 15,291.20 × 7,736.16
  4. Step 4: Simplify right side
    11,099.46x = 118,295,131.11
  5. Step 5: Solve for x
    x = 118,295,131.11/11,099.46
  6. Step 6: Final answer
    x = 10,657.74

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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.