Home / 8,946.20-13,433.34-7,577.48

Finding the Fourth Proportional to 8,946.20, 13,433.34 and 7,577.48

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Solution

The fourth proportional to 8,946.20, 13,433.34 and 7,577.48 is: 11,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.20 : 13,433.34 = 7,577.48 : x
  2. Step 2: Convert to fraction form
    8,946.20/13,433.34 = 7,577.48/x
  3. Step 3: Cross multiply
    8,946.20x = 13,433.34 × 7,577.48
  4. Step 4: Simplify right side
    8,946.20x = 101,790,865.18
  5. Step 5: Solve for x
    x = 101,790,865.18/8,946.20
  6. Step 6: Final answer
    x = 11,378.11

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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.