Home / 12,063.80-18,084.76-4,673.20

Finding the Fourth Proportional to 12,063.80, 18,084.76 and 4,673.20

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Solution

The fourth proportional to 12,063.80, 18,084.76 and 4,673.20 is: 7,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.80 : 18,084.76 = 4,673.20 : x
  2. Step 2: Convert to fraction form
    12,063.80/18,084.76 = 4,673.20/x
  3. Step 3: Cross multiply
    12,063.80x = 18,084.76 × 4,673.20
  4. Step 4: Simplify right side
    12,063.80x = 84,513,700.43
  5. Step 5: Solve for x
    x = 84,513,700.43/12,063.80
  6. Step 6: Final answer
    x = 7,005.56

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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.