Home / 9,076.88-13,615.68-4,146.80

Finding the Fourth Proportional to 9,076.88, 13,615.68 and 4,146.80

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Solution

The fourth proportional to 9,076.88, 13,615.68 and 4,146.80 is: 6,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.88 : 13,615.68 = 4,146.80 : x
  2. Step 2: Convert to fraction form
    9,076.88/13,615.68 = 4,146.80/x
  3. Step 3: Cross multiply
    9,076.88x = 13,615.68 × 4,146.80
  4. Step 4: Simplify right side
    9,076.88x = 56,461,501.82
  5. Step 5: Solve for x
    x = 56,461,501.82/9,076.88
  6. Step 6: Final answer
    x = 6,220.36

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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.