Home / 12,080.13-16,670.56-6,774.90

Finding the Fourth Proportional to 12,080.13, 16,670.56 and 6,774.90

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Solution

The fourth proportional to 12,080.13, 16,670.56 and 6,774.90 is: 9,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.13 : 16,670.56 = 6,774.90 : x
  2. Step 2: Convert to fraction form
    12,080.13/16,670.56 = 6,774.90/x
  3. Step 3: Cross multiply
    12,080.13x = 16,670.56 × 6,774.90
  4. Step 4: Simplify right side
    12,080.13x = 112,941,259.72
  5. Step 5: Solve for x
    x = 112,941,259.72/12,080.13
  6. Step 6: Final answer
    x = 9,349.35

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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.