Home / 9,680.23-13,344.58-6,842.60

Finding the Fourth Proportional to 9,680.23, 13,344.58 and 6,842.60

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Solution

The fourth proportional to 9,680.23, 13,344.58 and 6,842.60 is: 9,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.23 : 13,344.58 = 6,842.60 : x
  2. Step 2: Convert to fraction form
    9,680.23/13,344.58 = 6,842.60/x
  3. Step 3: Cross multiply
    9,680.23x = 13,344.58 × 6,842.60
  4. Step 4: Simplify right side
    9,680.23x = 91,311,623.11
  5. Step 5: Solve for x
    x = 91,311,623.11/9,680.23
  6. Step 6: Final answer
    x = 9,432.79

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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.