Home / 10,809.84-16,243.92-9,455.52

Finding the Fourth Proportional to 10,809.84, 16,243.92 and 9,455.52

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Solution

The fourth proportional to 10,809.84, 16,243.92 and 9,455.52 is: 14,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.84 : 16,243.92 = 9,455.52 : x
  2. Step 2: Convert to fraction form
    10,809.84/16,243.92 = 9,455.52/x
  3. Step 3: Cross multiply
    10,809.84x = 16,243.92 × 9,455.52
  4. Step 4: Simplify right side
    10,809.84x = 153,594,710.44
  5. Step 5: Solve for x
    x = 153,594,710.44/10,809.84
  6. Step 6: Final answer
    x = 14,208.79

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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.