Home / 11,209.38-15,465.46-6,363.30

Finding the Fourth Proportional to 11,209.38, 15,465.46 and 6,363.30

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Solution

The fourth proportional to 11,209.38, 15,465.46 and 6,363.30 is: 8,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.38 : 15,465.46 = 6,363.30 : x
  2. Step 2: Convert to fraction form
    11,209.38/15,465.46 = 6,363.30/x
  3. Step 3: Cross multiply
    11,209.38x = 15,465.46 × 6,363.30
  4. Step 4: Simplify right side
    11,209.38x = 98,411,361.62
  5. Step 5: Solve for x
    x = 98,411,361.62/11,209.38
  6. Step 6: Final answer
    x = 8,779.38

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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.