Home / 10,903.50-16,355.79-3,507.39

Finding the Fourth Proportional to 10,903.50, 16,355.79 and 3,507.39

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Solution

The fourth proportional to 10,903.50, 16,355.79 and 3,507.39 is: 5,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.50 : 16,355.79 = 3,507.39 : x
  2. Step 2: Convert to fraction form
    10,903.50/16,355.79 = 3,507.39/x
  3. Step 3: Cross multiply
    10,903.50x = 16,355.79 × 3,507.39
  4. Step 4: Simplify right side
    10,903.50x = 57,366,134.29
  5. Step 5: Solve for x
    x = 57,366,134.29/10,903.50
  6. Step 6: Final answer
    x = 5,261.26

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1.5x scale

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.