Home / 11,078.42-16,607.12-4,419.01

Finding the Fourth Proportional to 11,078.42, 16,607.12 and 4,419.01

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Solution

The fourth proportional to 11,078.42, 16,607.12 and 4,419.01 is: 6,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.42 : 16,607.12 = 4,419.01 : x
  2. Step 2: Convert to fraction form
    11,078.42/16,607.12 = 4,419.01/x
  3. Step 3: Cross multiply
    11,078.42x = 16,607.12 × 4,419.01
  4. Step 4: Simplify right side
    11,078.42x = 73,387,028.02
  5. Step 5: Solve for x
    x = 73,387,028.02/11,078.42
  6. Step 6: Final answer
    x = 6,624.32

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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.