Home / 10,475.20-15,694.35-5,533.96

Finding the Fourth Proportional to 10,475.20, 15,694.35 and 5,533.96

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Solution

The fourth proportional to 10,475.20, 15,694.35 and 5,533.96 is: 8,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.20 : 15,694.35 = 5,533.96 : x
  2. Step 2: Convert to fraction form
    10,475.20/15,694.35 = 5,533.96/x
  3. Step 3: Cross multiply
    10,475.20x = 15,694.35 × 5,533.96
  4. Step 4: Simplify right side
    10,475.20x = 86,851,905.13
  5. Step 5: Solve for x
    x = 86,851,905.13/10,475.20
  6. Step 6: Final answer
    x = 8,291.19

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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.