Home / 12,012.02-16,577.14-6,635.20

Finding the Fourth Proportional to 12,012.02, 16,577.14 and 6,635.20

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Solution

The fourth proportional to 12,012.02, 16,577.14 and 6,635.20 is: 9,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.02 : 16,577.14 = 6,635.20 : x
  2. Step 2: Convert to fraction form
    12,012.02/16,577.14 = 6,635.20/x
  3. Step 3: Cross multiply
    12,012.02x = 16,577.14 × 6,635.20
  4. Step 4: Simplify right side
    12,012.02x = 109,992,639.33
  5. Step 5: Solve for x
    x = 109,992,639.33/12,012.02
  6. Step 6: Final answer
    x = 9,156.88

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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.