Home / 11,297.98-15,591.18-6,518.93

Finding the Fourth Proportional to 11,297.98, 15,591.18 and 6,518.93

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Solution

The fourth proportional to 11,297.98, 15,591.18 and 6,518.93 is: 8,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.98 : 15,591.18 = 6,518.93 : x
  2. Step 2: Convert to fraction form
    11,297.98/15,591.18 = 6,518.93/x
  3. Step 3: Cross multiply
    11,297.98x = 15,591.18 × 6,518.93
  4. Step 4: Simplify right side
    11,297.98x = 101,637,845.23
  5. Step 5: Solve for x
    x = 101,637,845.23/11,297.98
  6. Step 6: Final answer
    x = 8,996.11

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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.