Home / 7,424.19-11,128.95-3,266.46

Finding the Fourth Proportional to 7,424.19, 11,128.95 and 3,266.46

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Solution

The fourth proportional to 7,424.19, 11,128.95 and 3,266.46 is: 4,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.19 : 11,128.95 = 3,266.46 : x
  2. Step 2: Convert to fraction form
    7,424.19/11,128.95 = 3,266.46/x
  3. Step 3: Cross multiply
    7,424.19x = 11,128.95 × 3,266.46
  4. Step 4: Simplify right side
    7,424.19x = 36,352,270.02
  5. Step 5: Solve for x
    x = 36,352,270.02/7,424.19
  6. Step 6: Final answer
    x = 4,896.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.