Home / 7,335.96-11,005.74-3,639.93

Finding the Fourth Proportional to 7,335.96, 11,005.74 and 3,639.93

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Solution

The fourth proportional to 7,335.96, 11,005.74 and 3,639.93 is: 5,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.96 : 11,005.74 = 3,639.93 : x
  2. Step 2: Convert to fraction form
    7,335.96/11,005.74 = 3,639.93/x
  3. Step 3: Cross multiply
    7,335.96x = 11,005.74 × 3,639.93
  4. Step 4: Simplify right side
    7,335.96x = 40,060,123.20
  5. Step 5: Solve for x
    x = 40,060,123.20/7,335.96
  6. Step 6: Final answer
    x = 5,460.79

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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.