Home / 9,421.52-14,135.11-5,677.36

Finding the Fourth Proportional to 9,421.52, 14,135.11 and 5,677.36

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Solution

The fourth proportional to 9,421.52, 14,135.11 and 5,677.36 is: 8,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.52 : 14,135.11 = 5,677.36 : x
  2. Step 2: Convert to fraction form
    9,421.52/14,135.11 = 5,677.36/x
  3. Step 3: Cross multiply
    9,421.52x = 14,135.11 × 5,677.36
  4. Step 4: Simplify right side
    9,421.52x = 80,250,058.58
  5. Step 5: Solve for x
    x = 80,250,058.58/9,421.52
  6. Step 6: Final answer
    x = 8,517.74

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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.