Home / 8,419.99-11,622.14-4,884.07

Finding the Fourth Proportional to 8,419.99, 11,622.14 and 4,884.07

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Solution

The fourth proportional to 8,419.99, 11,622.14 and 4,884.07 is: 6,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.99 : 11,622.14 = 4,884.07 : x
  2. Step 2: Convert to fraction form
    8,419.99/11,622.14 = 4,884.07/x
  3. Step 3: Cross multiply
    8,419.99x = 11,622.14 × 4,884.07
  4. Step 4: Simplify right side
    8,419.99x = 56,763,345.31
  5. Step 5: Solve for x
    x = 56,763,345.31/8,419.99
  6. Step 6: Final answer
    x = 6,741.50

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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.