Home / 10,933.61-15,086.94-6,153.80

Finding the Fourth Proportional to 10,933.61, 15,086.94 and 6,153.80

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Solution

The fourth proportional to 10,933.61, 15,086.94 and 6,153.80 is: 8,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.61 : 15,086.94 = 6,153.80 : x
  2. Step 2: Convert to fraction form
    10,933.61/15,086.94 = 6,153.80/x
  3. Step 3: Cross multiply
    10,933.61x = 15,086.94 × 6,153.80
  4. Step 4: Simplify right side
    10,933.61x = 92,842,011.37
  5. Step 5: Solve for x
    x = 92,842,011.37/10,933.61
  6. Step 6: Final answer
    x = 8,491.43

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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.