Home / 10,437.15-15,652.39-3,415.26

Finding the Fourth Proportional to 10,437.15, 15,652.39 and 3,415.26

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Solution

The fourth proportional to 10,437.15, 15,652.39 and 3,415.26 is: 5,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.15 : 15,652.39 = 3,415.26 : x
  2. Step 2: Convert to fraction form
    10,437.15/15,652.39 = 3,415.26/x
  3. Step 3: Cross multiply
    10,437.15x = 15,652.39 × 3,415.26
  4. Step 4: Simplify right side
    10,437.15x = 53,457,038.03
  5. Step 5: Solve for x
    x = 53,457,038.03/10,437.15
  6. Step 6: Final answer
    x = 5,121.80

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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.