Home / 11,551.77-15,941.66-6,774.54

Finding the Fourth Proportional to 11,551.77, 15,941.66 and 6,774.54

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Solution

The fourth proportional to 11,551.77, 15,941.66 and 6,774.54 is: 9,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.77 : 15,941.66 = 6,774.54 : x
  2. Step 2: Convert to fraction form
    11,551.77/15,941.66 = 6,774.54/x
  3. Step 3: Cross multiply
    11,551.77x = 15,941.66 × 6,774.54
  4. Step 4: Simplify right side
    11,551.77x = 107,997,379.46
  5. Step 5: Solve for x
    x = 107,997,379.46/11,551.77
  6. Step 6: Final answer
    x = 9,348.99

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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.