Home / 10,731.36-14,811.67-6,754.80

Finding the Fourth Proportional to 10,731.36, 14,811.67 and 6,754.80

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Solution

The fourth proportional to 10,731.36, 14,811.67 and 6,754.80 is: 9,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.36 : 14,811.67 = 6,754.80 : x
  2. Step 2: Convert to fraction form
    10,731.36/14,811.67 = 6,754.80/x
  3. Step 3: Cross multiply
    10,731.36x = 14,811.67 × 6,754.80
  4. Step 4: Simplify right side
    10,731.36x = 100,049,868.52
  5. Step 5: Solve for x
    x = 100,049,868.52/10,731.36
  6. Step 6: Final answer
    x = 9,323.13

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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.