Home / 11,587.50-17,232.18-11,218.46

Finding the Fourth Proportional to 11,587.50, 17,232.18 and 11,218.46

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Solution

The fourth proportional to 11,587.50, 17,232.18 and 11,218.46 is: 16,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.50 : 17,232.18 = 11,218.46 : x
  2. Step 2: Convert to fraction form
    11,587.50/17,232.18 = 11,218.46/x
  3. Step 3: Cross multiply
    11,587.50x = 17,232.18 × 11,218.46
  4. Step 4: Simplify right side
    11,587.50x = 193,318,435.88
  5. Step 5: Solve for x
    x = 193,318,435.88/11,587.50
  6. Step 6: Final answer
    x = 16,683.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.