Home / 8,170.53-11,275.11-4,634.07

Finding the Fourth Proportional to 8,170.53, 11,275.11 and 4,634.07

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Solution

The fourth proportional to 8,170.53, 11,275.11 and 4,634.07 is: 6,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.53 : 11,275.11 = 4,634.07 : x
  2. Step 2: Convert to fraction form
    8,170.53/11,275.11 = 4,634.07/x
  3. Step 3: Cross multiply
    8,170.53x = 11,275.11 × 4,634.07
  4. Step 4: Simplify right side
    8,170.53x = 52,249,649.00
  5. Step 5: Solve for x
    x = 52,249,649.00/8,170.53
  6. Step 6: Final answer
    x = 6,394.89

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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.