Home / 10,343.18-15,505.99-4,107.58

Finding the Fourth Proportional to 10,343.18, 15,505.99 and 4,107.58

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Solution

The fourth proportional to 10,343.18, 15,505.99 and 4,107.58 is: 6,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.18 : 15,505.99 = 4,107.58 : x
  2. Step 2: Convert to fraction form
    10,343.18/15,505.99 = 4,107.58/x
  3. Step 3: Cross multiply
    10,343.18x = 15,505.99 × 4,107.58
  4. Step 4: Simplify right side
    10,343.18x = 63,692,094.40
  5. Step 5: Solve for x
    x = 63,692,094.40/10,343.18
  6. Step 6: Final answer
    x = 6,157.88

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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.