Home / 9,152.06-13,728.67-3,228.21

Finding the Fourth Proportional to 9,152.06, 13,728.67 and 3,228.21

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Solution

The fourth proportional to 9,152.06, 13,728.67 and 3,228.21 is: 4,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.06 : 13,728.67 = 3,228.21 : x
  2. Step 2: Convert to fraction form
    9,152.06/13,728.67 = 3,228.21/x
  3. Step 3: Cross multiply
    9,152.06x = 13,728.67 × 3,228.21
  4. Step 4: Simplify right side
    9,152.06x = 44,319,021.71
  5. Step 5: Solve for x
    x = 44,319,021.71/9,152.06
  6. Step 6: Final answer
    x = 4,842.52

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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.