Home / 11,406.90-17,066.61-8,498.19

Finding the Fourth Proportional to 11,406.90, 17,066.61 and 8,498.19

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Solution

The fourth proportional to 11,406.90, 17,066.61 and 8,498.19 is: 12,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.90 : 17,066.61 = 8,498.19 : x
  2. Step 2: Convert to fraction form
    11,406.90/17,066.61 = 8,498.19/x
  3. Step 3: Cross multiply
    11,406.90x = 17,066.61 × 8,498.19
  4. Step 4: Simplify right side
    11,406.90x = 145,035,294.44
  5. Step 5: Solve for x
    x = 145,035,294.44/11,406.90
  6. Step 6: Final answer
    x = 12,714.70

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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.