Home / 7,419.54-11,106.09-4,122.03

Finding the Fourth Proportional to 7,419.54, 11,106.09 and 4,122.03

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Solution

The fourth proportional to 7,419.54, 11,106.09 and 4,122.03 is: 6,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.54 : 11,106.09 = 4,122.03 : x
  2. Step 2: Convert to fraction form
    7,419.54/11,106.09 = 4,122.03/x
  3. Step 3: Cross multiply
    7,419.54x = 11,106.09 × 4,122.03
  4. Step 4: Simplify right side
    7,419.54x = 45,779,636.16
  5. Step 5: Solve for x
    x = 45,779,636.16/7,419.54
  6. Step 6: Final answer
    x = 6,170.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.