Home / 11,176.20-15,530.08-11,054.68

Finding the Fourth Proportional to 11,176.20, 15,530.08 and 11,054.68

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Solution

The fourth proportional to 11,176.20, 15,530.08 and 11,054.68 is: 15,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.20 : 15,530.08 = 11,054.68 : x
  2. Step 2: Convert to fraction form
    11,176.20/15,530.08 = 11,054.68/x
  3. Step 3: Cross multiply
    11,176.20x = 15,530.08 × 11,054.68
  4. Step 4: Simplify right side
    11,176.20x = 171,680,064.77
  5. Step 5: Solve for x
    x = 171,680,064.77/11,176.20
  6. Step 6: Final answer
    x = 15,361.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.