Home / 9,843.12-13,577.40-5,861.88

Finding the Fourth Proportional to 9,843.12, 13,577.40 and 5,861.88

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Solution

The fourth proportional to 9,843.12, 13,577.40 and 5,861.88 is: 8,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.12 : 13,577.40 = 5,861.88 : x
  2. Step 2: Convert to fraction form
    9,843.12/13,577.40 = 5,861.88/x
  3. Step 3: Cross multiply
    9,843.12x = 13,577.40 × 5,861.88
  4. Step 4: Simplify right side
    9,843.12x = 79,589,089.51
  5. Step 5: Solve for x
    x = 79,589,089.51/9,843.12
  6. Step 6: Final answer
    x = 8,085.76

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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.