Home / 9,558.51-13,192.86-5,311.03

Finding the Fourth Proportional to 9,558.51, 13,192.86 and 5,311.03

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Solution

The fourth proportional to 9,558.51, 13,192.86 and 5,311.03 is: 7,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.51 : 13,192.86 = 5,311.03 : x
  2. Step 2: Convert to fraction form
    9,558.51/13,192.86 = 5,311.03/x
  3. Step 3: Cross multiply
    9,558.51x = 13,192.86 × 5,311.03
  4. Step 4: Simplify right side
    9,558.51x = 70,067,692.22
  5. Step 5: Solve for x
    x = 70,067,692.22/9,558.51
  6. Step 6: Final answer
    x = 7,330.40

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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.