Home / 10,903.79-16,357.92-4,240.13

Finding the Fourth Proportional to 10,903.79, 16,357.92 and 4,240.13

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Solution

The fourth proportional to 10,903.79, 16,357.92 and 4,240.13 is: 6,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.79 : 16,357.92 = 4,240.13 : x
  2. Step 2: Convert to fraction form
    10,903.79/16,357.92 = 4,240.13/x
  3. Step 3: Cross multiply
    10,903.79x = 16,357.92 × 4,240.13
  4. Step 4: Simplify right side
    10,903.79x = 69,359,707.33
  5. Step 5: Solve for x
    x = 69,359,707.33/10,903.79
  6. Step 6: Final answer
    x = 6,361.06

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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.