Home / 7,769.46-11,654.18-1,926.07

Finding the Fourth Proportional to 7,769.46, 11,654.18 and 1,926.07

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Solution

The fourth proportional to 7,769.46, 11,654.18 and 1,926.07 is: 2,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.46 : 11,654.18 = 1,926.07 : x
  2. Step 2: Convert to fraction form
    7,769.46/11,654.18 = 1,926.07/x
  3. Step 3: Cross multiply
    7,769.46x = 11,654.18 × 1,926.07
  4. Step 4: Simplify right side
    7,769.46x = 22,446,727.71
  5. Step 5: Solve for x
    x = 22,446,727.71/7,769.46
  6. Step 6: Final answer
    x = 2,889.10

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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.