Home / 8,404.21-11,598.53-4,628.11

Finding the Fourth Proportional to 8,404.21, 11,598.53 and 4,628.11

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Solution

The fourth proportional to 8,404.21, 11,598.53 and 4,628.11 is: 6,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.21 : 11,598.53 = 4,628.11 : x
  2. Step 2: Convert to fraction form
    8,404.21/11,598.53 = 4,628.11/x
  3. Step 3: Cross multiply
    8,404.21x = 11,598.53 × 4,628.11
  4. Step 4: Simplify right side
    8,404.21x = 53,679,272.68
  5. Step 5: Solve for x
    x = 53,679,272.68/8,404.21
  6. Step 6: Final answer
    x = 6,387.19

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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.