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Finding the Fourth Proportional to 7,955.16, 11,899.59 and 7,364.67

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Solution

The fourth proportional to 7,955.16, 11,899.59 and 7,364.67 is: 11,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.16 : 11,899.59 = 7,364.67 : x
  2. Step 2: Convert to fraction form
    7,955.16/11,899.59 = 7,364.67/x
  3. Step 3: Cross multiply
    7,955.16x = 11,899.59 × 7,364.67
  4. Step 4: Simplify right side
    7,955.16x = 87,636,553.49
  5. Step 5: Solve for x
    x = 87,636,553.49/7,955.16
  6. Step 6: Final answer
    x = 11,016.32

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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.