Home / 11,519.56-15,897.80-6,484.26

Finding the Fourth Proportional to 11,519.56, 15,897.80 and 6,484.26

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Solution

The fourth proportional to 11,519.56, 15,897.80 and 6,484.26 is: 8,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.56 : 15,897.80 = 6,484.26 : x
  2. Step 2: Convert to fraction form
    11,519.56/15,897.80 = 6,484.26/x
  3. Step 3: Cross multiply
    11,519.56x = 15,897.80 × 6,484.26
  4. Step 4: Simplify right side
    11,519.56x = 103,085,468.63
  5. Step 5: Solve for x
    x = 103,085,468.63/11,519.56
  6. Step 6: Final answer
    x = 8,948.73

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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.