Home / 11,226.72-16,840.74-4,653.40

Finding the Fourth Proportional to 11,226.72, 16,840.74 and 4,653.40

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Solution

The fourth proportional to 11,226.72, 16,840.74 and 4,653.40 is: 6,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.72 : 16,840.74 = 4,653.40 : x
  2. Step 2: Convert to fraction form
    11,226.72/16,840.74 = 4,653.40/x
  3. Step 3: Cross multiply
    11,226.72x = 16,840.74 × 4,653.40
  4. Step 4: Simplify right side
    11,226.72x = 78,366,699.52
  5. Step 5: Solve for x
    x = 78,366,699.52/11,226.72
  6. Step 6: Final answer
    x = 6,980.37

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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.