Home / 10,903.46-16,355.79-3,507.35

Finding the Fourth Proportional to 10,903.46, 16,355.79 and 3,507.35

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Solution

The fourth proportional to 10,903.46, 16,355.79 and 3,507.35 is: 5,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.46 : 16,355.79 = 3,507.35 : x
  2. Step 2: Convert to fraction form
    10,903.46/16,355.79 = 3,507.35/x
  3. Step 3: Cross multiply
    10,903.46x = 16,355.79 × 3,507.35
  4. Step 4: Simplify right side
    10,903.46x = 57,365,398.28
  5. Step 5: Solve for x
    x = 57,365,398.28/10,903.46
  6. Step 6: Final answer
    x = 5,261.21

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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.