Home / 10,434.41-15,617.73-7,660.46

Finding the Fourth Proportional to 10,434.41, 15,617.73 and 7,660.46

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Solution

The fourth proportional to 10,434.41, 15,617.73 and 7,660.46 is: 11,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.41 : 15,617.73 = 7,660.46 : x
  2. Step 2: Convert to fraction form
    10,434.41/15,617.73 = 7,660.46/x
  3. Step 3: Cross multiply
    10,434.41x = 15,617.73 × 7,660.46
  4. Step 4: Simplify right side
    10,434.41x = 119,638,917.87
  5. Step 5: Solve for x
    x = 119,638,917.87/10,434.41
  6. Step 6: Final answer
    x = 11,465.81

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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.