Home / 7,716.24-10,647.48-4,732.20

Finding the Fourth Proportional to 7,716.24, 10,647.48 and 4,732.20

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Solution

The fourth proportional to 7,716.24, 10,647.48 and 4,732.20 is: 6,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.24 : 10,647.48 = 4,732.20 : x
  2. Step 2: Convert to fraction form
    7,716.24/10,647.48 = 4,732.20/x
  3. Step 3: Cross multiply
    7,716.24x = 10,647.48 × 4,732.20
  4. Step 4: Simplify right side
    7,716.24x = 50,386,004.86
  5. Step 5: Solve for x
    x = 50,386,004.86/7,716.24
  6. Step 6: Final answer
    x = 6,529.86

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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.