Home / 10,656.46-15,985.44-3,260.35

Finding the Fourth Proportional to 10,656.46, 15,985.44 and 3,260.35

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Solution

The fourth proportional to 10,656.46, 15,985.44 and 3,260.35 is: 4,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.46 : 15,985.44 = 3,260.35 : x
  2. Step 2: Convert to fraction form
    10,656.46/15,985.44 = 3,260.35/x
  3. Step 3: Cross multiply
    10,656.46x = 15,985.44 × 3,260.35
  4. Step 4: Simplify right side
    10,656.46x = 52,118,129.30
  5. Step 5: Solve for x
    x = 52,118,129.30/10,656.46
  6. Step 6: Final answer
    x = 4,890.75

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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.