Home / 10,334.28-14,255.64-8,923.80

Finding the Fourth Proportional to 10,334.28, 14,255.64 and 8,923.80

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Solution

The fourth proportional to 10,334.28, 14,255.64 and 8,923.80 is: 12,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.28 : 14,255.64 = 8,923.80 : x
  2. Step 2: Convert to fraction form
    10,334.28/14,255.64 = 8,923.80/x
  3. Step 3: Cross multiply
    10,334.28x = 14,255.64 × 8,923.80
  4. Step 4: Simplify right side
    10,334.28x = 127,214,480.23
  5. Step 5: Solve for x
    x = 127,214,480.23/10,334.28
  6. Step 6: Final answer
    x = 12,309.95

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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.