Home / 9,084.60-13,609.80-5,177.16

Finding the Fourth Proportional to 9,084.60, 13,609.80 and 5,177.16

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Solution

The fourth proportional to 9,084.60, 13,609.80 and 5,177.16 is: 7,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.60 : 13,609.80 = 5,177.16 : x
  2. Step 2: Convert to fraction form
    9,084.60/13,609.80 = 5,177.16/x
  3. Step 3: Cross multiply
    9,084.60x = 13,609.80 × 5,177.16
  4. Step 4: Simplify right side
    9,084.60x = 70,460,112.17
  5. Step 5: Solve for x
    x = 70,460,112.17/9,084.60
  6. Step 6: Final answer
    x = 7,755.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.