Home / 11,077.02-15,286.46-6,539.81

Finding the Fourth Proportional to 11,077.02, 15,286.46 and 6,539.81

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Solution

The fourth proportional to 11,077.02, 15,286.46 and 6,539.81 is: 9,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.02 : 15,286.46 = 6,539.81 : x
  2. Step 2: Convert to fraction form
    11,077.02/15,286.46 = 6,539.81/x
  3. Step 3: Cross multiply
    11,077.02x = 15,286.46 × 6,539.81
  4. Step 4: Simplify right side
    11,077.02x = 99,970,434.84
  5. Step 5: Solve for x
    x = 99,970,434.84/11,077.02
  6. Step 6: Final answer
    x = 9,025.03

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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.