Home / 9,454.72-13,039.68-8,533.12

Finding the Fourth Proportional to 9,454.72, 13,039.68 and 8,533.12

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Solution

The fourth proportional to 9,454.72, 13,039.68 and 8,533.12 is: 11,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,454.72 : 13,039.68 = 8,533.12 : x
  2. Step 2: Convert to fraction form
    9,454.72/13,039.68 = 8,533.12/x
  3. Step 3: Cross multiply
    9,454.72x = 13,039.68 × 8,533.12
  4. Step 4: Simplify right side
    9,454.72x = 111,269,154.20
  5. Step 5: Solve for x
    x = 111,269,154.20/9,454.72
  6. Step 6: Final answer
    x = 11,768.64

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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.