Home / 11,239.95-15,511.40-6,204.25

Finding the Fourth Proportional to 11,239.95, 15,511.40 and 6,204.25

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Solution

The fourth proportional to 11,239.95, 15,511.40 and 6,204.25 is: 8,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.95 : 15,511.40 = 6,204.25 : x
  2. Step 2: Convert to fraction form
    11,239.95/15,511.40 = 6,204.25/x
  3. Step 3: Cross multiply
    11,239.95x = 15,511.40 × 6,204.25
  4. Step 4: Simplify right side
    11,239.95x = 96,236,572.43
  5. Step 5: Solve for x
    x = 96,236,572.43/11,239.95
  6. Step 6: Final answer
    x = 8,562.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.