Home / 8,419.24-11,621.10-4,883.32

Finding the Fourth Proportional to 8,419.24, 11,621.10 and 4,883.32

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Solution

The fourth proportional to 8,419.24, 11,621.10 and 4,883.32 is: 6,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.24 : 11,621.10 = 4,883.32 : x
  2. Step 2: Convert to fraction form
    8,419.24/11,621.10 = 4,883.32/x
  3. Step 3: Cross multiply
    8,419.24x = 11,621.10 × 4,883.32
  4. Step 4: Simplify right side
    8,419.24x = 56,749,550.05
  5. Step 5: Solve for x
    x = 56,749,550.05/8,419.24
  6. Step 6: Final answer
    x = 6,740.46

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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.