Home / 9,191.50-13,769.83-5,432.04

Finding the Fourth Proportional to 9,191.50, 13,769.83 and 5,432.04

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Solution

The fourth proportional to 9,191.50, 13,769.83 and 5,432.04 is: 8,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.50 : 13,769.83 = 5,432.04 : x
  2. Step 2: Convert to fraction form
    9,191.50/13,769.83 = 5,432.04/x
  3. Step 3: Cross multiply
    9,191.50x = 13,769.83 × 5,432.04
  4. Step 4: Simplify right side
    9,191.50x = 74,798,267.35
  5. Step 5: Solve for x
    x = 74,798,267.35/9,191.50
  6. Step 6: Final answer
    x = 8,137.77

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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.