Home / 10,821.76-14,933.52-6,106.48

Finding the Fourth Proportional to 10,821.76, 14,933.52 and 6,106.48

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Solution

The fourth proportional to 10,821.76, 14,933.52 and 6,106.48 is: 8,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.76 : 14,933.52 = 6,106.48 : x
  2. Step 2: Convert to fraction form
    10,821.76/14,933.52 = 6,106.48/x
  3. Step 3: Cross multiply
    10,821.76x = 14,933.52 × 6,106.48
  4. Step 4: Simplify right side
    10,821.76x = 91,191,241.21
  5. Step 5: Solve for x
    x = 91,191,241.21/10,821.76
  6. Step 6: Final answer
    x = 8,426.66

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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.