Home / 8,527.14-11,771.37-4,989.06

Finding the Fourth Proportional to 8,527.14, 11,771.37 and 4,989.06

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Solution

The fourth proportional to 8,527.14, 11,771.37 and 4,989.06 is: 6,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.14 : 11,771.37 = 4,989.06 : x
  2. Step 2: Convert to fraction form
    8,527.14/11,771.37 = 4,989.06/x
  3. Step 3: Cross multiply
    8,527.14x = 11,771.37 × 4,989.06
  4. Step 4: Simplify right side
    8,527.14x = 58,728,071.21
  5. Step 5: Solve for x
    x = 58,728,071.21/8,527.14
  6. Step 6: Final answer
    x = 6,887.19

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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.