Home / 11,212.90-15,473.84-6,433.02

Finding the Fourth Proportional to 11,212.90, 15,473.84 and 6,433.02

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Solution

The fourth proportional to 11,212.90, 15,473.84 and 6,433.02 is: 8,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.90 : 15,473.84 = 6,433.02 : x
  2. Step 2: Convert to fraction form
    11,212.90/15,473.84 = 6,433.02/x
  3. Step 3: Cross multiply
    11,212.90x = 15,473.84 × 6,433.02
  4. Step 4: Simplify right side
    11,212.90x = 99,543,490.03
  5. Step 5: Solve for x
    x = 99,543,490.03/11,212.90
  6. Step 6: Final answer
    x = 8,877.59

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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.