Home / 12,242.12-18,363.33-3,477.02

Finding the Fourth Proportional to 12,242.12, 18,363.33 and 3,477.02

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Solution

The fourth proportional to 12,242.12, 18,363.33 and 3,477.02 is: 5,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.12 : 18,363.33 = 3,477.02 : x
  2. Step 2: Convert to fraction form
    12,242.12/18,363.33 = 3,477.02/x
  3. Step 3: Cross multiply
    12,242.12x = 18,363.33 × 3,477.02
  4. Step 4: Simplify right side
    12,242.12x = 63,849,573.86
  5. Step 5: Solve for x
    x = 63,849,573.86/12,242.12
  6. Step 6: Final answer
    x = 5,215.57

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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.