Home / 11,980.02-16,531.65-7,266.90

Finding the Fourth Proportional to 11,980.02, 16,531.65 and 7,266.90

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Solution

The fourth proportional to 11,980.02, 16,531.65 and 7,266.90 is: 10,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.02 : 16,531.65 = 7,266.90 : x
  2. Step 2: Convert to fraction form
    11,980.02/16,531.65 = 7,266.90/x
  3. Step 3: Cross multiply
    11,980.02x = 16,531.65 × 7,266.90
  4. Step 4: Simplify right side
    11,980.02x = 120,133,847.39
  5. Step 5: Solve for x
    x = 120,133,847.39/11,980.02
  6. Step 6: Final answer
    x = 10,027.85

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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.