Home / 7,760.24-10,712.76-4,967.36

Finding the Fourth Proportional to 7,760.24, 10,712.76 and 4,967.36

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Solution

The fourth proportional to 7,760.24, 10,712.76 and 4,967.36 is: 6,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.24 : 10,712.76 = 4,967.36 : x
  2. Step 2: Convert to fraction form
    7,760.24/10,712.76 = 4,967.36/x
  3. Step 3: Cross multiply
    7,760.24x = 10,712.76 × 4,967.36
  4. Step 4: Simplify right side
    7,760.24x = 53,214,135.51
  5. Step 5: Solve for x
    x = 53,214,135.51/7,760.24
  6. Step 6: Final answer
    x = 6,857.28

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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.