Home / 7,406.92-11,102.28-5,561.74

Finding the Fourth Proportional to 7,406.92, 11,102.28 and 5,561.74

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Solution

The fourth proportional to 7,406.92, 11,102.28 and 5,561.74 is: 8,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.92 : 11,102.28 = 5,561.74 : x
  2. Step 2: Convert to fraction form
    7,406.92/11,102.28 = 5,561.74/x
  3. Step 3: Cross multiply
    7,406.92x = 11,102.28 × 5,561.74
  4. Step 4: Simplify right side
    7,406.92x = 61,747,994.77
  5. Step 5: Solve for x
    x = 61,747,994.77/7,406.92
  6. Step 6: Final answer
    x = 8,336.53

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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.