Home / 8,441.12-11,648.52-4,715.12

Finding the Fourth Proportional to 8,441.12, 11,648.52 and 4,715.12

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Solution

The fourth proportional to 8,441.12, 11,648.52 and 4,715.12 is: 6,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.12 : 11,648.52 = 4,715.12 : x
  2. Step 2: Convert to fraction form
    8,441.12/11,648.52 = 4,715.12/x
  3. Step 3: Cross multiply
    8,441.12x = 11,648.52 × 4,715.12
  4. Step 4: Simplify right side
    8,441.12x = 54,924,169.62
  5. Step 5: Solve for x
    x = 54,924,169.62/8,441.12
  6. Step 6: Final answer
    x = 6,506.74

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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.