Home / 11,245.25-15,518.95-6,466.75

Finding the Fourth Proportional to 11,245.25, 15,518.95 and 6,466.75

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Solution

The fourth proportional to 11,245.25, 15,518.95 and 6,466.75 is: 8,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.25 : 15,518.95 = 6,466.75 : x
  2. Step 2: Convert to fraction form
    11,245.25/15,518.95 = 6,466.75/x
  3. Step 3: Cross multiply
    11,245.25x = 15,518.95 × 6,466.75
  4. Step 4: Simplify right side
    11,245.25x = 100,357,114.95
  5. Step 5: Solve for x
    x = 100,357,114.95/11,245.25
  6. Step 6: Final answer
    x = 8,924.40

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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.