Home / 9,681.12-14,521.68-3,842.64

Finding the Fourth Proportional to 9,681.12, 14,521.68 and 3,842.64

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Solution

The fourth proportional to 9,681.12, 14,521.68 and 3,842.64 is: 5,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.12 : 14,521.68 = 3,842.64 : x
  2. Step 2: Convert to fraction form
    9,681.12/14,521.68 = 3,842.64/x
  3. Step 3: Cross multiply
    9,681.12x = 14,521.68 × 3,842.64
  4. Step 4: Simplify right side
    9,681.12x = 55,801,588.44
  5. Step 5: Solve for x
    x = 55,801,588.44/9,681.12
  6. Step 6: Final answer
    x = 5,763.96

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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.