Home / 11,018.25-15,205.19-6,302.43

Finding the Fourth Proportional to 11,018.25, 15,205.19 and 6,302.43

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Solution

The fourth proportional to 11,018.25, 15,205.19 and 6,302.43 is: 8,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.25 : 15,205.19 = 6,302.43 : x
  2. Step 2: Convert to fraction form
    11,018.25/15,205.19 = 6,302.43/x
  3. Step 3: Cross multiply
    11,018.25x = 15,205.19 × 6,302.43
  4. Step 4: Simplify right side
    11,018.25x = 95,829,614.10
  5. Step 5: Solve for x
    x = 95,829,614.10/11,018.25
  6. Step 6: Final answer
    x = 8,697.35

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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.