Home / 9,500.32-13,111.68-5,309.44

Finding the Fourth Proportional to 9,500.32, 13,111.68 and 5,309.44

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Solution

The fourth proportional to 9,500.32, 13,111.68 and 5,309.44 is: 7,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.32 : 13,111.68 = 5,309.44 : x
  2. Step 2: Convert to fraction form
    9,500.32/13,111.68 = 5,309.44/x
  3. Step 3: Cross multiply
    9,500.32x = 13,111.68 × 5,309.44
  4. Step 4: Simplify right side
    9,500.32x = 69,615,678.26
  5. Step 5: Solve for x
    x = 69,615,678.26/9,500.32
  6. Step 6: Final answer
    x = 7,327.72

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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.