Home / 12,432.16-18,645.54-4,110.21

Finding the Fourth Proportional to 12,432.16, 18,645.54 and 4,110.21

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Solution

The fourth proportional to 12,432.16, 18,645.54 and 4,110.21 is: 6,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.16 : 18,645.54 = 4,110.21 : x
  2. Step 2: Convert to fraction form
    12,432.16/18,645.54 = 4,110.21/x
  3. Step 3: Cross multiply
    12,432.16x = 18,645.54 × 4,110.21
  4. Step 4: Simplify right side
    12,432.16x = 76,637,064.41
  5. Step 5: Solve for x
    x = 76,637,064.41/12,432.16
  6. Step 6: Final answer
    x = 6,164.42

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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.