Home / 9,860.56-13,608.68-5,495.31

Finding the Fourth Proportional to 9,860.56, 13,608.68 and 5,495.31

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Solution

The fourth proportional to 9,860.56, 13,608.68 and 5,495.31 is: 7,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.56 : 13,608.68 = 5,495.31 : x
  2. Step 2: Convert to fraction form
    9,860.56/13,608.68 = 5,495.31/x
  3. Step 3: Cross multiply
    9,860.56x = 13,608.68 × 5,495.31
  4. Step 4: Simplify right side
    9,860.56x = 74,783,887.81
  5. Step 5: Solve for x
    x = 74,783,887.81/9,860.56
  6. Step 6: Final answer
    x = 7,584.14

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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.