Home / 9,858.87-13,605.55-5,610.53

Finding the Fourth Proportional to 9,858.87, 13,605.55 and 5,610.53

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Solution

The fourth proportional to 9,858.87, 13,605.55 and 5,610.53 is: 7,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.87 : 13,605.55 = 5,610.53 : x
  2. Step 2: Convert to fraction form
    9,858.87/13,605.55 = 5,610.53/x
  3. Step 3: Cross multiply
    9,858.87x = 13,605.55 × 5,610.53
  4. Step 4: Simplify right side
    9,858.87x = 76,334,366.43
  5. Step 5: Solve for x
    x = 76,334,366.43/9,858.87
  6. Step 6: Final answer
    x = 7,742.71

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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.