Home / 9,507.93-13,121.75-5,529.30

Finding the Fourth Proportional to 9,507.93, 13,121.75 and 5,529.30

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Solution

The fourth proportional to 9,507.93, 13,121.75 and 5,529.30 is: 7,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.93 : 13,121.75 = 5,529.30 : x
  2. Step 2: Convert to fraction form
    9,507.93/13,121.75 = 5,529.30/x
  3. Step 3: Cross multiply
    9,507.93x = 13,121.75 × 5,529.30
  4. Step 4: Simplify right side
    9,507.93x = 72,554,092.28
  5. Step 5: Solve for x
    x = 72,554,092.28/9,507.93
  6. Step 6: Final answer
    x = 7,630.90

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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.