Home / 11,296.71-15,590.43-6,517.53

Finding the Fourth Proportional to 11,296.71, 15,590.43 and 6,517.53

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Solution

The fourth proportional to 11,296.71, 15,590.43 and 6,517.53 is: 8,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.71 : 15,590.43 = 6,517.53 : x
  2. Step 2: Convert to fraction form
    11,296.71/15,590.43 = 6,517.53/x
  3. Step 3: Cross multiply
    11,296.71x = 15,590.43 × 6,517.53
  4. Step 4: Simplify right side
    11,296.71x = 101,611,095.24
  5. Step 5: Solve for x
    x = 101,611,095.24/11,296.71
  6. Step 6: Final answer
    x = 8,994.75

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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.