Home / 7,347.92-11,011.96-3,443.60

Finding the Fourth Proportional to 7,347.92, 11,011.96 and 3,443.60

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Solution

The fourth proportional to 7,347.92, 11,011.96 and 3,443.60 is: 5,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.92 : 11,011.96 = 3,443.60 : x
  2. Step 2: Convert to fraction form
    7,347.92/11,011.96 = 3,443.60/x
  3. Step 3: Cross multiply
    7,347.92x = 11,011.96 × 3,443.60
  4. Step 4: Simplify right side
    7,347.92x = 37,920,785.46
  5. Step 5: Solve for x
    x = 37,920,785.46/7,347.92
  6. Step 6: Final answer
    x = 5,160.75

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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.