Home / 9,561.08-13,192.12-5,579.84

Finding the Fourth Proportional to 9,561.08, 13,192.12 and 5,579.84

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Solution

The fourth proportional to 9,561.08, 13,192.12 and 5,579.84 is: 7,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.08 : 13,192.12 = 5,579.84 : x
  2. Step 2: Convert to fraction form
    9,561.08/13,192.12 = 5,579.84/x
  3. Step 3: Cross multiply
    9,561.08x = 13,192.12 × 5,579.84
  4. Step 4: Simplify right side
    9,561.08x = 73,609,918.86
  5. Step 5: Solve for x
    x = 73,609,918.86/9,561.08
  6. Step 6: Final answer
    x = 7,698.91

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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.