Home / 11,104.42-15,316.94-6,624.72

Finding the Fourth Proportional to 11,104.42, 15,316.94 and 6,624.72

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Solution

The fourth proportional to 11,104.42, 15,316.94 and 6,624.72 is: 9,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.42 : 15,316.94 = 6,624.72 : x
  2. Step 2: Convert to fraction form
    11,104.42/15,316.94 = 6,624.72/x
  3. Step 3: Cross multiply
    11,104.42x = 15,316.94 × 6,624.72
  4. Step 4: Simplify right side
    11,104.42x = 101,470,438.76
  5. Step 5: Solve for x
    x = 101,470,438.76/11,104.42
  6. Step 6: Final answer
    x = 9,137.84

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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.