Home / 10,346.53-15,518.31-3,325.63

Finding the Fourth Proportional to 10,346.53, 15,518.31 and 3,325.63

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Solution

The fourth proportional to 10,346.53, 15,518.31 and 3,325.63 is: 4,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.53 : 15,518.31 = 3,325.63 : x
  2. Step 2: Convert to fraction form
    10,346.53/15,518.31 = 3,325.63/x
  3. Step 3: Cross multiply
    10,346.53x = 15,518.31 × 3,325.63
  4. Step 4: Simplify right side
    10,346.53x = 51,608,157.29
  5. Step 5: Solve for x
    x = 51,608,157.29/10,346.53
  6. Step 6: Final answer
    x = 4,987.97

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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.