Home / 8,795.34-13,191.21-5,239.05

Finding the Fourth Proportional to 8,795.34, 13,191.21 and 5,239.05

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Solution

The fourth proportional to 8,795.34, 13,191.21 and 5,239.05 is: 7,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.34 : 13,191.21 = 5,239.05 : x
  2. Step 2: Convert to fraction form
    8,795.34/13,191.21 = 5,239.05/x
  3. Step 3: Cross multiply
    8,795.34x = 13,191.21 × 5,239.05
  4. Step 4: Simplify right side
    8,795.34x = 69,109,408.75
  5. Step 5: Solve for x
    x = 69,109,408.75/8,795.34
  6. Step 6: Final answer
    x = 7,857.50

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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.