Home / 11,605.40-16,015.24-6,300.16

Finding the Fourth Proportional to 11,605.40, 16,015.24 and 6,300.16

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Solution

The fourth proportional to 11,605.40, 16,015.24 and 6,300.16 is: 8,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.40 : 16,015.24 = 6,300.16 : x
  2. Step 2: Convert to fraction form
    11,605.40/16,015.24 = 6,300.16/x
  3. Step 3: Cross multiply
    11,605.40x = 16,015.24 × 6,300.16
  4. Step 4: Simplify right side
    11,605.40x = 100,898,574.44
  5. Step 5: Solve for x
    x = 100,898,574.44/11,605.40
  6. Step 6: Final answer
    x = 8,694.11

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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.