Home / 11,425.53-17,140.10-4,851.75

Finding the Fourth Proportional to 11,425.53, 17,140.10 and 4,851.75

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Solution

The fourth proportional to 11,425.53, 17,140.10 and 4,851.75 is: 7,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.53 : 17,140.10 = 4,851.75 : x
  2. Step 2: Convert to fraction form
    11,425.53/17,140.10 = 4,851.75/x
  3. Step 3: Cross multiply
    11,425.53x = 17,140.10 × 4,851.75
  4. Step 4: Simplify right side
    11,425.53x = 83,159,455.92
  5. Step 5: Solve for x
    x = 83,159,455.92/11,425.53
  6. Step 6: Final answer
    x = 7,278.39

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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.