Home / 7,723.36-10,650.28-6,607.99

Finding the Fourth Proportional to 7,723.36, 10,650.28 and 6,607.99

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Solution

The fourth proportional to 7,723.36, 10,650.28 and 6,607.99 is: 9,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.36 : 10,650.28 = 6,607.99 : x
  2. Step 2: Convert to fraction form
    7,723.36/10,650.28 = 6,607.99/x
  3. Step 3: Cross multiply
    7,723.36x = 10,650.28 × 6,607.99
  4. Step 4: Simplify right side
    7,723.36x = 70,376,857.45
  5. Step 5: Solve for x
    x = 70,376,857.45/7,723.36
  6. Step 6: Final answer
    x = 9,112.21

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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.