Home / 10,466.07-15,704.49-5,785.21

Finding the Fourth Proportional to 10,466.07, 15,704.49 and 5,785.21

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Solution

The fourth proportional to 10,466.07, 15,704.49 and 5,785.21 is: 8,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.07 : 15,704.49 = 5,785.21 : x
  2. Step 2: Convert to fraction form
    10,466.07/15,704.49 = 5,785.21/x
  3. Step 3: Cross multiply
    10,466.07x = 15,704.49 × 5,785.21
  4. Step 4: Simplify right side
    10,466.07x = 90,853,772.59
  5. Step 5: Solve for x
    x = 90,853,772.59/10,466.07
  6. Step 6: Final answer
    x = 8,680.79

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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.