Home / 9,342.06-12,891.45-5,360.37

Finding the Fourth Proportional to 9,342.06, 12,891.45 and 5,360.37

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Solution

The fourth proportional to 9,342.06, 12,891.45 and 5,360.37 is: 7,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.06 : 12,891.45 = 5,360.37 : x
  2. Step 2: Convert to fraction form
    9,342.06/12,891.45 = 5,360.37/x
  3. Step 3: Cross multiply
    9,342.06x = 12,891.45 × 5,360.37
  4. Step 4: Simplify right side
    9,342.06x = 69,102,941.84
  5. Step 5: Solve for x
    x = 69,102,941.84/9,342.06
  6. Step 6: Final answer
    x = 7,396.97

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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.