Home / 11,968.29-16,515.99-6,590.88

Finding the Fourth Proportional to 11,968.29, 16,515.99 and 6,590.88

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Solution

The fourth proportional to 11,968.29, 16,515.99 and 6,590.88 is: 9,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.29 : 16,515.99 = 6,590.88 : x
  2. Step 2: Convert to fraction form
    11,968.29/16,515.99 = 6,590.88/x
  3. Step 3: Cross multiply
    11,968.29x = 16,515.99 × 6,590.88
  4. Step 4: Simplify right side
    11,968.29x = 108,854,908.17
  5. Step 5: Solve for x
    x = 108,854,908.17/11,968.29
  6. Step 6: Final answer
    x = 9,095.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.