Home / 7,963.24-10,986.36-4,818.28

Finding the Fourth Proportional to 7,963.24, 10,986.36 and 4,818.28

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Solution

The fourth proportional to 7,963.24, 10,986.36 and 4,818.28 is: 6,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.24 : 10,986.36 = 4,818.28 : x
  2. Step 2: Convert to fraction form
    7,963.24/10,986.36 = 4,818.28/x
  3. Step 3: Cross multiply
    7,963.24x = 10,986.36 × 4,818.28
  4. Step 4: Simplify right side
    7,963.24x = 52,935,358.66
  5. Step 5: Solve for x
    x = 52,935,358.66/7,963.24
  6. Step 6: Final answer
    x = 6,647.46

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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.