Home / 11,487.38-15,852.59-6,519.38

Finding the Fourth Proportional to 11,487.38, 15,852.59 and 6,519.38

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Solution

The fourth proportional to 11,487.38, 15,852.59 and 6,519.38 is: 8,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.38 : 15,852.59 = 6,519.38 : x
  2. Step 2: Convert to fraction form
    11,487.38/15,852.59 = 6,519.38/x
  3. Step 3: Cross multiply
    11,487.38x = 15,852.59 × 6,519.38
  4. Step 4: Simplify right side
    11,487.38x = 103,348,946.33
  5. Step 5: Solve for x
    x = 103,348,946.33/11,487.38
  6. Step 6: Final answer
    x = 8,996.74

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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.