Home / 12,369.51-18,562.50-4,578.12

Finding the Fourth Proportional to 12,369.51, 18,562.50 and 4,578.12

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Solution

The fourth proportional to 12,369.51, 18,562.50 and 4,578.12 is: 6,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.51 : 18,562.50 = 4,578.12 : x
  2. Step 2: Convert to fraction form
    12,369.51/18,562.50 = 4,578.12/x
  3. Step 3: Cross multiply
    12,369.51x = 18,562.50 × 4,578.12
  4. Step 4: Simplify right side
    12,369.51x = 84,981,352.50
  5. Step 5: Solve for x
    x = 84,981,352.50/12,369.51
  6. Step 6: Final answer
    x = 6,870.23

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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.