Home / 12,268.74-16,925.85-8,544.90

Finding the Fourth Proportional to 12,268.74, 16,925.85 and 8,544.90

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Solution

The fourth proportional to 12,268.74, 16,925.85 and 8,544.90 is: 11,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.74 : 16,925.85 = 8,544.90 : x
  2. Step 2: Convert to fraction form
    12,268.74/16,925.85 = 8,544.90/x
  3. Step 3: Cross multiply
    12,268.74x = 16,925.85 × 8,544.90
  4. Step 4: Simplify right side
    12,268.74x = 144,629,695.67
  5. Step 5: Solve for x
    x = 144,629,695.67/12,268.74
  6. Step 6: Final answer
    x = 11,788.47

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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.