Home / 11,583.35-15,985.03-6,278.16

Finding the Fourth Proportional to 11,583.35, 15,985.03 and 6,278.16

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Solution

The fourth proportional to 11,583.35, 15,985.03 and 6,278.16 is: 8,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.35 : 15,985.03 = 6,278.16 : x
  2. Step 2: Convert to fraction form
    11,583.35/15,985.03 = 6,278.16/x
  3. Step 3: Cross multiply
    11,583.35x = 15,985.03 × 6,278.16
  4. Step 4: Simplify right side
    11,583.35x = 100,356,575.94
  5. Step 5: Solve for x
    x = 100,356,575.94/11,583.35
  6. Step 6: Final answer
    x = 8,663.86

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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.