Home / 8,356.37-11,531.72-4,579.75

Finding the Fourth Proportional to 8,356.37, 11,531.72 and 4,579.75

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Solution

The fourth proportional to 8,356.37, 11,531.72 and 4,579.75 is: 6,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.37 : 11,531.72 = 4,579.75 : x
  2. Step 2: Convert to fraction form
    8,356.37/11,531.72 = 4,579.75/x
  3. Step 3: Cross multiply
    8,356.37x = 11,531.72 × 4,579.75
  4. Step 4: Simplify right side
    8,356.37x = 52,812,377.29
  5. Step 5: Solve for x
    x = 52,812,377.29/8,356.37
  6. Step 6: Final answer
    x = 6,320.01

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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.