Home / 9,677.88-13,351.64-5,692.68

Finding the Fourth Proportional to 9,677.88, 13,351.64 and 5,692.68

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Solution

The fourth proportional to 9,677.88, 13,351.64 and 5,692.68 is: 7,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.88 : 13,351.64 = 5,692.68 : x
  2. Step 2: Convert to fraction form
    9,677.88/13,351.64 = 5,692.68/x
  3. Step 3: Cross multiply
    9,677.88x = 13,351.64 × 5,692.68
  4. Step 4: Simplify right side
    9,677.88x = 76,006,585.53
  5. Step 5: Solve for x
    x = 76,006,585.53/9,677.88
  6. Step 6: Final answer
    x = 7,853.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.