Home / 11,120.34-16,681.55-4,100.07

Finding the Fourth Proportional to 11,120.34, 16,681.55 and 4,100.07

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Solution

The fourth proportional to 11,120.34, 16,681.55 and 4,100.07 is: 6,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.34 : 16,681.55 = 4,100.07 : x
  2. Step 2: Convert to fraction form
    11,120.34/16,681.55 = 4,100.07/x
  3. Step 3: Cross multiply
    11,120.34x = 16,681.55 × 4,100.07
  4. Step 4: Simplify right side
    11,120.34x = 68,395,502.21
  5. Step 5: Solve for x
    x = 68,395,502.21/11,120.34
  6. Step 6: Final answer
    x = 6,150.49

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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.