Home / 7,390.40-11,069.40-5,733.92

Finding the Fourth Proportional to 7,390.40, 11,069.40 and 5,733.92

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Solution

The fourth proportional to 7,390.40, 11,069.40 and 5,733.92 is: 8,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.40 : 11,069.40 = 5,733.92 : x
  2. Step 2: Convert to fraction form
    7,390.40/11,069.40 = 5,733.92/x
  3. Step 3: Cross multiply
    7,390.40x = 11,069.40 × 5,733.92
  4. Step 4: Simplify right side
    7,390.40x = 63,471,054.05
  5. Step 5: Solve for x
    x = 63,471,054.05/7,390.40
  6. Step 6: Final answer
    x = 8,588.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.