Home / 7,661.21-10,573.44-4,676.40

Finding the Fourth Proportional to 7,661.21, 10,573.44 and 4,676.40

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Solution

The fourth proportional to 7,661.21, 10,573.44 and 4,676.40 is: 6,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.21 : 10,573.44 = 4,676.40 : x
  2. Step 2: Convert to fraction form
    7,661.21/10,573.44 = 4,676.40/x
  3. Step 3: Cross multiply
    7,661.21x = 10,573.44 × 4,676.40
  4. Step 4: Simplify right side
    7,661.21x = 49,445,634.82
  5. Step 5: Solve for x
    x = 49,445,634.82/7,661.21
  6. Step 6: Final answer
    x = 6,454.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.