Home / 9,832.96-13,568.88-5,641.12

Finding the Fourth Proportional to 9,832.96, 13,568.88 and 5,641.12

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Solution

The fourth proportional to 9,832.96, 13,568.88 and 5,641.12 is: 7,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,832.96 : 13,568.88 = 5,641.12 : x
  2. Step 2: Convert to fraction form
    9,832.96/13,568.88 = 5,641.12/x
  3. Step 3: Cross multiply
    9,832.96x = 13,568.88 × 5,641.12
  4. Step 4: Simplify right side
    9,832.96x = 76,543,680.35
  5. Step 5: Solve for x
    x = 76,543,680.35/9,832.96
  6. Step 6: Final answer
    x = 7,784.40

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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.