Home / 9,588.12-14,351.40-5,139.60

Finding the Fourth Proportional to 9,588.12, 14,351.40 and 5,139.60

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Solution

The fourth proportional to 9,588.12, 14,351.40 and 5,139.60 is: 7,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,588.12 : 14,351.40 = 5,139.60 : x
  2. Step 2: Convert to fraction form
    9,588.12/14,351.40 = 5,139.60/x
  3. Step 3: Cross multiply
    9,588.12x = 14,351.40 × 5,139.60
  4. Step 4: Simplify right side
    9,588.12x = 73,760,455.44
  5. Step 5: Solve for x
    x = 73,760,455.44/9,588.12
  6. Step 6: Final answer
    x = 7,692.90

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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.