Home / 12,083.48-18,124.50-7,184.30

Finding the Fourth Proportional to 12,083.48, 18,124.50 and 7,184.30

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Solution

The fourth proportional to 12,083.48, 18,124.50 and 7,184.30 is: 10,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.48 : 18,124.50 = 7,184.30 : x
  2. Step 2: Convert to fraction form
    12,083.48/18,124.50 = 7,184.30/x
  3. Step 3: Cross multiply
    12,083.48x = 18,124.50 × 7,184.30
  4. Step 4: Simplify right side
    12,083.48x = 130,211,812.44
  5. Step 5: Solve for x
    x = 130,211,812.44/12,083.48
  6. Step 6: Final answer
    x = 10,776.02

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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.