Home / 12,467.28-18,695.34-3,699.12

Finding the Fourth Proportional to 12,467.28, 18,695.34 and 3,699.12

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Solution

The fourth proportional to 12,467.28, 18,695.34 and 3,699.12 is: 5,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.28 : 18,695.34 = 3,699.12 : x
  2. Step 2: Convert to fraction form
    12,467.28/18,695.34 = 3,699.12/x
  3. Step 3: Cross multiply
    12,467.28x = 18,695.34 × 3,699.12
  4. Step 4: Simplify right side
    12,467.28x = 69,156,306.10
  5. Step 5: Solve for x
    x = 69,156,306.10/12,467.28
  6. Step 6: Final answer
    x = 5,547.02

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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.