Home / 7,535.36-11,288.96-6,721.92

Finding the Fourth Proportional to 7,535.36, 11,288.96 and 6,721.92

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Solution

The fourth proportional to 7,535.36, 11,288.96 and 6,721.92 is: 10,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.36 : 11,288.96 = 6,721.92 : x
  2. Step 2: Convert to fraction form
    7,535.36/11,288.96 = 6,721.92/x
  3. Step 3: Cross multiply
    7,535.36x = 11,288.96 × 6,721.92
  4. Step 4: Simplify right side
    7,535.36x = 75,883,486.00
  5. Step 5: Solve for x
    x = 75,883,486.00/7,535.36
  6. Step 6: Final answer
    x = 10,070.32

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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.