Home / 11,008.02-16,488.66-8,656.86

Finding the Fourth Proportional to 11,008.02, 16,488.66 and 8,656.86

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Solution

The fourth proportional to 11,008.02, 16,488.66 and 8,656.86 is: 12,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.02 : 16,488.66 = 8,656.86 : x
  2. Step 2: Convert to fraction form
    11,008.02/16,488.66 = 8,656.86/x
  3. Step 3: Cross multiply
    11,008.02x = 16,488.66 × 8,656.86
  4. Step 4: Simplify right side
    11,008.02x = 142,740,021.21
  5. Step 5: Solve for x
    x = 142,740,021.21/11,008.02
  6. Step 6: Final answer
    x = 12,966.91

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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.