Home / 10,361.70-15,542.55-6,668.10

Finding the Fourth Proportional to 10,361.70, 15,542.55 and 6,668.10

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Solution

The fourth proportional to 10,361.70, 15,542.55 and 6,668.10 is: 10,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.70 : 15,542.55 = 6,668.10 : x
  2. Step 2: Convert to fraction form
    10,361.70/15,542.55 = 6,668.10/x
  3. Step 3: Cross multiply
    10,361.70x = 15,542.55 × 6,668.10
  4. Step 4: Simplify right side
    10,361.70x = 103,639,277.66
  5. Step 5: Solve for x
    x = 103,639,277.66/10,361.70
  6. Step 6: Final answer
    x = 10,002.15

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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.