Home / 8,193.71-11,307.29-4,657.61

Finding the Fourth Proportional to 8,193.71, 11,307.29 and 4,657.61

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Solution

The fourth proportional to 8,193.71, 11,307.29 and 4,657.61 is: 6,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.71 : 11,307.29 = 4,657.61 : x
  2. Step 2: Convert to fraction form
    8,193.71/11,307.29 = 4,657.61/x
  3. Step 3: Cross multiply
    8,193.71x = 11,307.29 × 4,657.61
  4. Step 4: Simplify right side
    8,193.71x = 52,664,867.15
  5. Step 5: Solve for x
    x = 52,664,867.15/8,193.71
  6. Step 6: Final answer
    x = 6,427.48

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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.