Home / 10,905.36-16,360.65-3,510.51

Finding the Fourth Proportional to 10,905.36, 16,360.65 and 3,510.51

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Solution

The fourth proportional to 10,905.36, 16,360.65 and 3,510.51 is: 5,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.36 : 16,360.65 = 3,510.51 : x
  2. Step 2: Convert to fraction form
    10,905.36/16,360.65 = 3,510.51/x
  3. Step 3: Cross multiply
    10,905.36x = 16,360.65 × 3,510.51
  4. Step 4: Simplify right side
    10,905.36x = 57,434,225.43
  5. Step 5: Solve for x
    x = 57,434,225.43/10,905.36
  6. Step 6: Final answer
    x = 5,266.61

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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.