Home / 9,351.52-14,027.28-3,428.68

Finding the Fourth Proportional to 9,351.52, 14,027.28 and 3,428.68

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Solution

The fourth proportional to 9,351.52, 14,027.28 and 3,428.68 is: 5,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.52 : 14,027.28 = 3,428.68 : x
  2. Step 2: Convert to fraction form
    9,351.52/14,027.28 = 3,428.68/x
  3. Step 3: Cross multiply
    9,351.52x = 14,027.28 × 3,428.68
  4. Step 4: Simplify right side
    9,351.52x = 48,095,054.39
  5. Step 5: Solve for x
    x = 48,095,054.39/9,351.52
  6. Step 6: Final answer
    x = 5,143.02

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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.