Home / 9,765.32-13,476.54-5,517.30

Finding the Fourth Proportional to 9,765.32, 13,476.54 and 5,517.30

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Solution

The fourth proportional to 9,765.32, 13,476.54 and 5,517.30 is: 7,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.32 : 13,476.54 = 5,517.30 : x
  2. Step 2: Convert to fraction form
    9,765.32/13,476.54 = 5,517.30/x
  3. Step 3: Cross multiply
    9,765.32x = 13,476.54 × 5,517.30
  4. Step 4: Simplify right side
    9,765.32x = 74,354,114.14
  5. Step 5: Solve for x
    x = 74,354,114.14/9,765.32
  6. Step 6: Final answer
    x = 7,614.10

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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.