Home / 9,009.56-13,515.96-3,165.32

Finding the Fourth Proportional to 9,009.56, 13,515.96 and 3,165.32

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Solution

The fourth proportional to 9,009.56, 13,515.96 and 3,165.32 is: 4,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.56 : 13,515.96 = 3,165.32 : x
  2. Step 2: Convert to fraction form
    9,009.56/13,515.96 = 3,165.32/x
  3. Step 3: Cross multiply
    9,009.56x = 13,515.96 × 3,165.32
  4. Step 4: Simplify right side
    9,009.56x = 42,782,338.51
  5. Step 5: Solve for x
    x = 42,782,338.51/9,009.56
  6. Step 6: Final answer
    x = 4,748.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.