Home / 8,404.12-11,597.59-4,627.20

Finding the Fourth Proportional to 8,404.12, 11,597.59 and 4,627.20

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Solution

The fourth proportional to 8,404.12, 11,597.59 and 4,627.20 is: 6,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.12 : 11,597.59 = 4,627.20 : x
  2. Step 2: Convert to fraction form
    8,404.12/11,597.59 = 4,627.20/x
  3. Step 3: Cross multiply
    8,404.12x = 11,597.59 × 4,627.20
  4. Step 4: Simplify right side
    8,404.12x = 53,664,391.69
  5. Step 5: Solve for x
    x = 53,664,391.69/8,404.12
  6. Step 6: Final answer
    x = 6,385.49

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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.