Home / 10,437.56-15,652.32-3,415.76

Finding the Fourth Proportional to 10,437.56, 15,652.32 and 3,415.76

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Solution

The fourth proportional to 10,437.56, 15,652.32 and 3,415.76 is: 5,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.56 : 15,652.32 = 3,415.76 : x
  2. Step 2: Convert to fraction form
    10,437.56/15,652.32 = 3,415.76/x
  3. Step 3: Cross multiply
    10,437.56x = 15,652.32 × 3,415.76
  4. Step 4: Simplify right side
    10,437.56x = 53,464,568.56
  5. Step 5: Solve for x
    x = 53,464,568.56/10,437.56
  6. Step 6: Final answer
    x = 5,122.32

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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.