Home / 11,451.84-17,023.35-11,115.52

Finding the Fourth Proportional to 11,451.84, 17,023.35 and 11,115.52

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Solution

The fourth proportional to 11,451.84, 17,023.35 and 11,115.52 is: 16,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.84 : 17,023.35 = 11,115.52 : x
  2. Step 2: Convert to fraction form
    11,451.84/17,023.35 = 11,115.52/x
  3. Step 3: Cross multiply
    11,451.84x = 17,023.35 × 11,115.52
  4. Step 4: Simplify right side
    11,451.84x = 189,223,331.81
  5. Step 5: Solve for x
    x = 189,223,331.81/11,451.84
  6. Step 6: Final answer
    x = 16,523.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.