Home / 11,107.13-16,668.88-5,263.74

Finding the Fourth Proportional to 11,107.13, 16,668.88 and 5,263.74

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Solution

The fourth proportional to 11,107.13, 16,668.88 and 5,263.74 is: 7,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.13 : 16,668.88 = 5,263.74 : x
  2. Step 2: Convert to fraction form
    11,107.13/16,668.88 = 5,263.74/x
  3. Step 3: Cross multiply
    11,107.13x = 16,668.88 × 5,263.74
  4. Step 4: Simplify right side
    11,107.13x = 87,740,637.25
  5. Step 5: Solve for x
    x = 87,740,637.25/11,107.13
  6. Step 6: Final answer
    x = 7,899.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.