Home / 12,199.68-18,295.49-4,701.47

Finding the Fourth Proportional to 12,199.68, 18,295.49 and 4,701.47

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Solution

The fourth proportional to 12,199.68, 18,295.49 and 4,701.47 is: 7,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.68 : 18,295.49 = 4,701.47 : x
  2. Step 2: Convert to fraction form
    12,199.68/18,295.49 = 4,701.47/x
  3. Step 3: Cross multiply
    12,199.68x = 18,295.49 × 4,701.47
  4. Step 4: Simplify right side
    12,199.68x = 86,015,617.65
  5. Step 5: Solve for x
    x = 86,015,617.65/12,199.68
  6. Step 6: Final answer
    x = 7,050.65

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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.