Home / 7,516.32-11,261.11-6,409.46

Finding the Fourth Proportional to 7,516.32, 11,261.11 and 6,409.46

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Solution

The fourth proportional to 7,516.32, 11,261.11 and 6,409.46 is: 9,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.32 : 11,261.11 = 6,409.46 : x
  2. Step 2: Convert to fraction form
    7,516.32/11,261.11 = 6,409.46/x
  3. Step 3: Cross multiply
    7,516.32x = 11,261.11 × 6,409.46
  4. Step 4: Simplify right side
    7,516.32x = 72,177,545.75
  5. Step 5: Solve for x
    x = 72,177,545.75/7,516.32
  6. Step 6: Final answer
    x = 9,602.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.