Home / 11,731.26-17,602.59-5,156.60

Finding the Fourth Proportional to 11,731.26, 17,602.59 and 5,156.60

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Solution

The fourth proportional to 11,731.26, 17,602.59 and 5,156.60 is: 7,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.26 : 17,602.59 = 5,156.60 : x
  2. Step 2: Convert to fraction form
    11,731.26/17,602.59 = 5,156.60/x
  3. Step 3: Cross multiply
    11,731.26x = 17,602.59 × 5,156.60
  4. Step 4: Simplify right side
    11,731.26x = 90,769,427.58
  5. Step 5: Solve for x
    x = 90,769,427.58/11,731.26
  6. Step 6: Final answer
    x = 7,737.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.