Home / 12,176.54-18,263.38-3,412.16

Finding the Fourth Proportional to 12,176.54, 18,263.38 and 3,412.16

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Solution

The fourth proportional to 12,176.54, 18,263.38 and 3,412.16 is: 5,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.54 : 18,263.38 = 3,412.16 : x
  2. Step 2: Convert to fraction form
    12,176.54/18,263.38 = 3,412.16/x
  3. Step 3: Cross multiply
    12,176.54x = 18,263.38 × 3,412.16
  4. Step 4: Simplify right side
    12,176.54x = 62,317,574.70
  5. Step 5: Solve for x
    x = 62,317,574.70/12,176.54
  6. Step 6: Final answer
    x = 5,117.84

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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.