Home / 9,775.13-13,496.34-6,243.12

Finding the Fourth Proportional to 9,775.13, 13,496.34 and 6,243.12

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Solution

The fourth proportional to 9,775.13, 13,496.34 and 6,243.12 is: 8,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.13 : 13,496.34 = 6,243.12 : x
  2. Step 2: Convert to fraction form
    9,775.13/13,496.34 = 6,243.12/x
  3. Step 3: Cross multiply
    9,775.13x = 13,496.34 × 6,243.12
  4. Step 4: Simplify right side
    9,775.13x = 84,259,270.18
  5. Step 5: Solve for x
    x = 84,259,270.18/9,775.13
  6. Step 6: Final answer
    x = 8,619.76

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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.