Home / 11,750.48-16,206.60-7,028.72

Finding the Fourth Proportional to 11,750.48, 16,206.60 and 7,028.72

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Solution

The fourth proportional to 11,750.48, 16,206.60 and 7,028.72 is: 9,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.48 : 16,206.60 = 7,028.72 : x
  2. Step 2: Convert to fraction form
    11,750.48/16,206.60 = 7,028.72/x
  3. Step 3: Cross multiply
    11,750.48x = 16,206.60 × 7,028.72
  4. Step 4: Simplify right side
    11,750.48x = 113,911,653.55
  5. Step 5: Solve for x
    x = 113,911,653.55/11,750.48
  6. Step 6: Final answer
    x = 9,694.21

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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.