Home / 11,054.56-16,500.44-10,131.16

Finding the Fourth Proportional to 11,054.56, 16,500.44 and 10,131.16

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Solution

The fourth proportional to 11,054.56, 16,500.44 and 10,131.16 is: 15,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.56 : 16,500.44 = 10,131.16 : x
  2. Step 2: Convert to fraction form
    11,054.56/16,500.44 = 10,131.16/x
  3. Step 3: Cross multiply
    11,054.56x = 16,500.44 × 10,131.16
  4. Step 4: Simplify right side
    11,054.56x = 167,168,597.71
  5. Step 5: Solve for x
    x = 167,168,597.71/11,054.56
  6. Step 6: Final answer
    x = 15,122.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.