Home / 9,325.45-13,988.32-5,191.73

Finding the Fourth Proportional to 9,325.45, 13,988.32 and 5,191.73

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Solution

The fourth proportional to 9,325.45, 13,988.32 and 5,191.73 is: 7,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.45 : 13,988.32 = 5,191.73 : x
  2. Step 2: Convert to fraction form
    9,325.45/13,988.32 = 5,191.73/x
  3. Step 3: Cross multiply
    9,325.45x = 13,988.32 × 5,191.73
  4. Step 4: Simplify right side
    9,325.45x = 72,623,613.81
  5. Step 5: Solve for x
    x = 72,623,613.81/9,325.45
  6. Step 6: Final answer
    x = 7,787.68

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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.