Home / 12,248.20-18,379.86-5,673.16

Finding the Fourth Proportional to 12,248.20, 18,379.86 and 5,673.16

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Solution

The fourth proportional to 12,248.20, 18,379.86 and 5,673.16 is: 8,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.20 : 18,379.86 = 5,673.16 : x
  2. Step 2: Convert to fraction form
    12,248.20/18,379.86 = 5,673.16/x
  3. Step 3: Cross multiply
    12,248.20x = 18,379.86 × 5,673.16
  4. Step 4: Simplify right side
    12,248.20x = 104,271,886.56
  5. Step 5: Solve for x
    x = 104,271,886.56/12,248.20
  6. Step 6: Final answer
    x = 8,513.24

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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.