Home / 9,505.10-13,121.71-5,970.26

Finding the Fourth Proportional to 9,505.10, 13,121.71 and 5,970.26

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Solution

The fourth proportional to 9,505.10, 13,121.71 and 5,970.26 is: 8,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.10 : 13,121.71 = 5,970.26 : x
  2. Step 2: Convert to fraction form
    9,505.10/13,121.71 = 5,970.26/x
  3. Step 3: Cross multiply
    9,505.10x = 13,121.71 × 5,970.26
  4. Step 4: Simplify right side
    9,505.10x = 78,339,939.81
  5. Step 5: Solve for x
    x = 78,339,939.81/9,505.10
  6. Step 6: Final answer
    x = 8,241.89

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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.