Home / 12,366.40-18,549.76-3,132.16

Finding the Fourth Proportional to 12,366.40, 18,549.76 and 3,132.16

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Solution

The fourth proportional to 12,366.40, 18,549.76 and 3,132.16 is: 4,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.40 : 18,549.76 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    12,366.40/18,549.76 = 3,132.16/x
  3. Step 3: Cross multiply
    12,366.40x = 18,549.76 × 3,132.16
  4. Step 4: Simplify right side
    12,366.40x = 58,100,816.28
  5. Step 5: Solve for x
    x = 58,100,816.28/12,366.40
  6. Step 6: Final answer
    x = 4,698.28

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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.