Home / 12,088.18-18,131.64-3,323.08

Finding the Fourth Proportional to 12,088.18, 18,131.64 and 3,323.08

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Solution

The fourth proportional to 12,088.18, 18,131.64 and 3,323.08 is: 4,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.18 : 18,131.64 = 3,323.08 : x
  2. Step 2: Convert to fraction form
    12,088.18/18,131.64 = 3,323.08/x
  3. Step 3: Cross multiply
    12,088.18x = 18,131.64 × 3,323.08
  4. Step 4: Simplify right side
    12,088.18x = 60,252,890.25
  5. Step 5: Solve for x
    x = 60,252,890.25/12,088.18
  6. Step 6: Final answer
    x = 4,984.45

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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.