Home / 11,325.40-16,988.10-3,534.22

Finding the Fourth Proportional to 11,325.40, 16,988.10 and 3,534.22

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Solution

The fourth proportional to 11,325.40, 16,988.10 and 3,534.22 is: 5,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.40 : 16,988.10 = 3,534.22 : x
  2. Step 2: Convert to fraction form
    11,325.40/16,988.10 = 3,534.22/x
  3. Step 3: Cross multiply
    11,325.40x = 16,988.10 × 3,534.22
  4. Step 4: Simplify right side
    11,325.40x = 60,039,682.78
  5. Step 5: Solve for x
    x = 60,039,682.78/11,325.40
  6. Step 6: Final answer
    x = 5,301.33

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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.