Home / 9,765.48-13,477.20-5,517.32

Finding the Fourth Proportional to 9,765.48, 13,477.20 and 5,517.32

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Solution

The fourth proportional to 9,765.48, 13,477.20 and 5,517.32 is: 7,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.48 : 13,477.20 = 5,517.32 : x
  2. Step 2: Convert to fraction form
    9,765.48/13,477.20 = 5,517.32/x
  3. Step 3: Cross multiply
    9,765.48x = 13,477.20 × 5,517.32
  4. Step 4: Simplify right side
    9,765.48x = 74,357,997.52
  5. Step 5: Solve for x
    x = 74,357,997.52/9,765.48
  6. Step 6: Final answer
    x = 7,614.37

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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.