Home / 9,927.44-13,699.33-5,451.78

Finding the Fourth Proportional to 9,927.44, 13,699.33 and 5,451.78

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Solution

The fourth proportional to 9,927.44, 13,699.33 and 5,451.78 is: 7,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.44 : 13,699.33 = 5,451.78 : x
  2. Step 2: Convert to fraction form
    9,927.44/13,699.33 = 5,451.78/x
  3. Step 3: Cross multiply
    9,927.44x = 13,699.33 × 5,451.78
  4. Step 4: Simplify right side
    9,927.44x = 74,685,733.31
  5. Step 5: Solve for x
    x = 74,685,733.31/9,927.44
  6. Step 6: Final answer
    x = 7,523.16

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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.