Home / 10,666.60-15,998.94-3,740.68

Finding the Fourth Proportional to 10,666.60, 15,998.94 and 3,740.68

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Solution

The fourth proportional to 10,666.60, 15,998.94 and 3,740.68 is: 5,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.60 : 15,998.94 = 3,740.68 : x
  2. Step 2: Convert to fraction form
    10,666.60/15,998.94 = 3,740.68/x
  3. Step 3: Cross multiply
    10,666.60x = 15,998.94 × 3,740.68
  4. Step 4: Simplify right side
    10,666.60x = 59,846,914.88
  5. Step 5: Solve for x
    x = 59,846,914.88/10,666.60
  6. Step 6: Final answer
    x = 5,610.68

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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.