Home / 11,156.94-15,397.29-7,373.46

Finding the Fourth Proportional to 11,156.94, 15,397.29 and 7,373.46

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Solution

The fourth proportional to 11,156.94, 15,397.29 and 7,373.46 is: 10,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.94 : 15,397.29 = 7,373.46 : x
  2. Step 2: Convert to fraction form
    11,156.94/15,397.29 = 7,373.46/x
  3. Step 3: Cross multiply
    11,156.94x = 15,397.29 × 7,373.46
  4. Step 4: Simplify right side
    11,156.94x = 113,531,359.66
  5. Step 5: Solve for x
    x = 113,531,359.66/11,156.94
  6. Step 6: Final answer
    x = 10,175.85

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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.