Home / 9,679.08-13,362.67-7,406.24

Finding the Fourth Proportional to 9,679.08, 13,362.67 and 7,406.24

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Solution

The fourth proportional to 9,679.08, 13,362.67 and 7,406.24 is: 10,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.08 : 13,362.67 = 7,406.24 : x
  2. Step 2: Convert to fraction form
    9,679.08/13,362.67 = 7,406.24/x
  3. Step 3: Cross multiply
    9,679.08x = 13,362.67 × 7,406.24
  4. Step 4: Simplify right side
    9,679.08x = 98,967,141.06
  5. Step 5: Solve for x
    x = 98,967,141.06/9,679.08
  6. Step 6: Final answer
    x = 10,224.85

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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.