Home / 9,855.06-13,601.13-5,607.66

Finding the Fourth Proportional to 9,855.06, 13,601.13 and 5,607.66

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Solution

The fourth proportional to 9,855.06, 13,601.13 and 5,607.66 is: 7,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.06 : 13,601.13 = 5,607.66 : x
  2. Step 2: Convert to fraction form
    9,855.06/13,601.13 = 5,607.66/x
  3. Step 3: Cross multiply
    9,855.06x = 13,601.13 × 5,607.66
  4. Step 4: Simplify right side
    9,855.06x = 76,270,512.66
  5. Step 5: Solve for x
    x = 76,270,512.66/9,855.06
  6. Step 6: Final answer
    x = 7,739.22

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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.