Home / 11,434.88-15,777.28-6,718.24

Finding the Fourth Proportional to 11,434.88, 15,777.28 and 6,718.24

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Solution

The fourth proportional to 11,434.88, 15,777.28 and 6,718.24 is: 9,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.88 : 15,777.28 = 6,718.24 : x
  2. Step 2: Convert to fraction form
    11,434.88/15,777.28 = 6,718.24/x
  3. Step 3: Cross multiply
    11,434.88x = 15,777.28 × 6,718.24
  4. Step 4: Simplify right side
    11,434.88x = 105,995,553.59
  5. Step 5: Solve for x
    x = 105,995,553.59/11,434.88
  6. Step 6: Final answer
    x = 9,269.49

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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.