Home / 11,265.75-16,878.58-9,605.45

Finding the Fourth Proportional to 11,265.75, 16,878.58 and 9,605.45

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Solution

The fourth proportional to 11,265.75, 16,878.58 and 9,605.45 is: 14,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.75 : 16,878.58 = 9,605.45 : x
  2. Step 2: Convert to fraction form
    11,265.75/16,878.58 = 9,605.45/x
  3. Step 3: Cross multiply
    11,265.75x = 16,878.58 × 9,605.45
  4. Step 4: Simplify right side
    11,265.75x = 162,126,374.44
  5. Step 5: Solve for x
    x = 162,126,374.44/11,265.75
  6. Step 6: Final answer
    x = 14,391.09

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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.