Home / 11,262.84-16,813.76-9,787

Finding the Fourth Proportional to 11,262.84, 16,813.76 and 9,787

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Solution

The fourth proportional to 11,262.84, 16,813.76 and 9,787 is: 14,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.84 : 16,813.76 = 9,787 : x
  2. Step 2: Convert to fraction form
    11,262.84/16,813.76 = 9,787/x
  3. Step 3: Cross multiply
    11,262.84x = 16,813.76 × 9,787
  4. Step 4: Simplify right side
    11,262.84x = 164,556,269.12
  5. Step 5: Solve for x
    x = 164,556,269.12/11,262.84
  6. Step 6: Final answer
    x = 14,610.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.