Home / 9,235.76-13,852.12-3,390.96

Finding the Fourth Proportional to 9,235.76, 13,852.12 and 3,390.96

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Solution

The fourth proportional to 9,235.76, 13,852.12 and 3,390.96 is: 5,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.76 : 13,852.12 = 3,390.96 : x
  2. Step 2: Convert to fraction form
    9,235.76/13,852.12 = 3,390.96/x
  3. Step 3: Cross multiply
    9,235.76x = 13,852.12 × 3,390.96
  4. Step 4: Simplify right side
    9,235.76x = 46,971,984.84
  5. Step 5: Solve for x
    x = 46,971,984.84/9,235.76
  6. Step 6: Final answer
    x = 5,085.88

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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.