Home / 8,960.80-12,366.14-5,184.28

Finding the Fourth Proportional to 8,960.80, 12,366.14 and 5,184.28

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Solution

The fourth proportional to 8,960.80, 12,366.14 and 5,184.28 is: 7,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.80 : 12,366.14 = 5,184.28 : x
  2. Step 2: Convert to fraction form
    8,960.80/12,366.14 = 5,184.28/x
  3. Step 3: Cross multiply
    8,960.80x = 12,366.14 × 5,184.28
  4. Step 4: Simplify right side
    8,960.80x = 64,109,532.28
  5. Step 5: Solve for x
    x = 64,109,532.28/8,960.80
  6. Step 6: Final answer
    x = 7,154.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.