Home / 12,470.22-18,702.90-3,703.14

Finding the Fourth Proportional to 12,470.22, 18,702.90 and 3,703.14

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Solution

The fourth proportional to 12,470.22, 18,702.90 and 3,703.14 is: 5,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.22 : 18,702.90 = 3,703.14 : x
  2. Step 2: Convert to fraction form
    12,470.22/18,702.90 = 3,703.14/x
  3. Step 3: Cross multiply
    12,470.22x = 18,702.90 × 3,703.14
  4. Step 4: Simplify right side
    12,470.22x = 69,259,457.11
  5. Step 5: Solve for x
    x = 69,259,457.11/12,470.22
  6. Step 6: Final answer
    x = 5,553.99

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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.