Home / 11,935.57-17,903.23-7,256.87

Finding the Fourth Proportional to 11,935.57, 17,903.23 and 7,256.87

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Solution

The fourth proportional to 11,935.57, 17,903.23 and 7,256.87 is: 10,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.57 : 17,903.23 = 7,256.87 : x
  2. Step 2: Convert to fraction form
    11,935.57/17,903.23 = 7,256.87/x
  3. Step 3: Cross multiply
    11,935.57x = 17,903.23 × 7,256.87
  4. Step 4: Simplify right side
    11,935.57x = 129,921,323.17
  5. Step 5: Solve for x
    x = 129,921,323.17/11,935.57
  6. Step 6: Final answer
    x = 10,885.23

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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.