Home / 11,545.96-15,933.54-6,240.88

Finding the Fourth Proportional to 11,545.96, 15,933.54 and 6,240.88

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Solution

The fourth proportional to 11,545.96, 15,933.54 and 6,240.88 is: 8,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.96 : 15,933.54 = 6,240.88 : x
  2. Step 2: Convert to fraction form
    11,545.96/15,933.54 = 6,240.88/x
  3. Step 3: Cross multiply
    11,545.96x = 15,933.54 × 6,240.88
  4. Step 4: Simplify right side
    11,545.96x = 99,439,311.12
  5. Step 5: Solve for x
    x = 99,439,311.12/11,545.96
  6. Step 6: Final answer
    x = 8,612.48

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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.