Home / 7,791.24-10,748.36-4,646.28

Finding the Fourth Proportional to 7,791.24, 10,748.36 and 4,646.28

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Solution

The fourth proportional to 7,791.24, 10,748.36 and 4,646.28 is: 6,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.24 : 10,748.36 = 4,646.28 : x
  2. Step 2: Convert to fraction form
    7,791.24/10,748.36 = 4,646.28/x
  3. Step 3: Cross multiply
    7,791.24x = 10,748.36 × 4,646.28
  4. Step 4: Simplify right side
    7,791.24x = 49,939,890.10
  5. Step 5: Solve for x
    x = 49,939,890.10/7,791.24
  6. Step 6: Final answer
    x = 6,409.75

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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.