Home / 11,508.20-15,881.90-6,473.24

Finding the Fourth Proportional to 11,508.20, 15,881.90 and 6,473.24

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Solution

The fourth proportional to 11,508.20, 15,881.90 and 6,473.24 is: 8,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.20 : 15,881.90 = 6,473.24 : x
  2. Step 2: Convert to fraction form
    11,508.20/15,881.90 = 6,473.24/x
  3. Step 3: Cross multiply
    11,508.20x = 15,881.90 × 6,473.24
  4. Step 4: Simplify right side
    11,508.20x = 102,807,350.36
  5. Step 5: Solve for x
    x = 102,807,350.36/11,508.20
  6. Step 6: Final answer
    x = 8,933.40

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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.