Home / 7,284.48-9,997.44-6,521.28

Finding the Fourth Proportional to 7,284.48, 9,997.44 and 6,521.28

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Solution

The fourth proportional to 7,284.48, 9,997.44 and 6,521.28 is: 8,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.48 : 9,997.44 = 6,521.28 : x
  2. Step 2: Convert to fraction form
    7,284.48/9,997.44 = 6,521.28/x
  3. Step 3: Cross multiply
    7,284.48x = 9,997.44 × 6,521.28
  4. Step 4: Simplify right side
    7,284.48x = 65,196,105.52
  5. Step 5: Solve for x
    x = 65,196,105.52/7,284.48
  6. Step 6: Final answer
    x = 8,950.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.