Home / 9,927.20-13,698.86-5,451.26

Finding the Fourth Proportional to 9,927.20, 13,698.86 and 5,451.26

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Solution

The fourth proportional to 9,927.20, 13,698.86 and 5,451.26 is: 7,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.20 : 13,698.86 = 5,451.26 : x
  2. Step 2: Convert to fraction form
    9,927.20/13,698.86 = 5,451.26/x
  3. Step 3: Cross multiply
    9,927.20x = 13,698.86 × 5,451.26
  4. Step 4: Simplify right side
    9,927.20x = 74,675,951.81
  5. Step 5: Solve for x
    x = 74,675,951.81/9,927.20
  6. Step 6: Final answer
    x = 7,522.36

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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.