Home / 7,337.68-10,120.71-5,069.81

Finding the Fourth Proportional to 7,337.68, 10,120.71 and 5,069.81

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Solution

The fourth proportional to 7,337.68, 10,120.71 and 5,069.81 is: 6,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.68 : 10,120.71 = 5,069.81 : x
  2. Step 2: Convert to fraction form
    7,337.68/10,120.71 = 5,069.81/x
  3. Step 3: Cross multiply
    7,337.68x = 10,120.71 × 5,069.81
  4. Step 4: Simplify right side
    7,337.68x = 51,310,076.77
  5. Step 5: Solve for x
    x = 51,310,076.77/7,337.68
  6. Step 6: Final answer
    x = 6,992.69

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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.