Home / 9,428.45-13,010.36-5,650.91

Finding the Fourth Proportional to 9,428.45, 13,010.36 and 5,650.91

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Solution

The fourth proportional to 9,428.45, 13,010.36 and 5,650.91 is: 7,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.45 : 13,010.36 = 5,650.91 : x
  2. Step 2: Convert to fraction form
    9,428.45/13,010.36 = 5,650.91/x
  3. Step 3: Cross multiply
    9,428.45x = 13,010.36 × 5,650.91
  4. Step 4: Simplify right side
    9,428.45x = 73,520,420.08
  5. Step 5: Solve for x
    x = 73,520,420.08/9,428.45
  6. Step 6: Final answer
    x = 7,797.72

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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.