Home / 10,720.15-14,794.73-6,244.32

Finding the Fourth Proportional to 10,720.15, 14,794.73 and 6,244.32

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Solution

The fourth proportional to 10,720.15, 14,794.73 and 6,244.32 is: 8,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.15 : 14,794.73 = 6,244.32 : x
  2. Step 2: Convert to fraction form
    10,720.15/14,794.73 = 6,244.32/x
  3. Step 3: Cross multiply
    10,720.15x = 14,794.73 × 6,244.32
  4. Step 4: Simplify right side
    10,720.15x = 92,383,028.43
  5. Step 5: Solve for x
    x = 92,383,028.43/10,720.15
  6. Step 6: Final answer
    x = 8,617.70

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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.