Home / 9,319.74-13,981.08-2,745.06

Finding the Fourth Proportional to 9,319.74, 13,981.08 and 2,745.06

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Solution

The fourth proportional to 9,319.74, 13,981.08 and 2,745.06 is: 4,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.74 : 13,981.08 = 2,745.06 : x
  2. Step 2: Convert to fraction form
    9,319.74/13,981.08 = 2,745.06/x
  3. Step 3: Cross multiply
    9,319.74x = 13,981.08 × 2,745.06
  4. Step 4: Simplify right side
    9,319.74x = 38,378,903.46
  5. Step 5: Solve for x
    x = 38,378,903.46/9,319.74
  6. Step 6: Final answer
    x = 4,118.02

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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.