Home / 9,842.08-13,584.88-5,812.64

Finding the Fourth Proportional to 9,842.08, 13,584.88 and 5,812.64

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Solution

The fourth proportional to 9,842.08, 13,584.88 and 5,812.64 is: 8,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.08 : 13,584.88 = 5,812.64 : x
  2. Step 2: Convert to fraction form
    9,842.08/13,584.88 = 5,812.64/x
  3. Step 3: Cross multiply
    9,842.08x = 13,584.88 × 5,812.64
  4. Step 4: Simplify right side
    9,842.08x = 78,964,016.88
  5. Step 5: Solve for x
    x = 78,964,016.88/9,842.08
  6. Step 6: Final answer
    x = 8,023.10

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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.