Home / 10,268.94-15,403.40-2,477.75

Finding the Fourth Proportional to 10,268.94, 15,403.40 and 2,477.75

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Solution

The fourth proportional to 10,268.94, 15,403.40 and 2,477.75 is: 3,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.94 : 15,403.40 = 2,477.75 : x
  2. Step 2: Convert to fraction form
    10,268.94/15,403.40 = 2,477.75/x
  3. Step 3: Cross multiply
    10,268.94x = 15,403.40 × 2,477.75
  4. Step 4: Simplify right side
    10,268.94x = 38,165,774.35
  5. Step 5: Solve for x
    x = 38,165,774.35/10,268.94
  6. Step 6: Final answer
    x = 3,716.62

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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.