Home / 10,996.16-16,479.18-4,665.74

Finding the Fourth Proportional to 10,996.16, 16,479.18 and 4,665.74

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Solution

The fourth proportional to 10,996.16, 16,479.18 and 4,665.74 is: 6,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.16 : 16,479.18 = 4,665.74 : x
  2. Step 2: Convert to fraction form
    10,996.16/16,479.18 = 4,665.74/x
  3. Step 3: Cross multiply
    10,996.16x = 16,479.18 × 4,665.74
  4. Step 4: Simplify right side
    10,996.16x = 76,887,486.90
  5. Step 5: Solve for x
    x = 76,887,486.90/10,996.16
  6. Step 6: Final answer
    x = 6,992.22

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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.