Home / 7,377.81-11,068.34-4,095.69

Finding the Fourth Proportional to 7,377.81, 11,068.34 and 4,095.69

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Solution

The fourth proportional to 7,377.81, 11,068.34 and 4,095.69 is: 6,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.81 : 11,068.34 = 4,095.69 : x
  2. Step 2: Convert to fraction form
    7,377.81/11,068.34 = 4,095.69/x
  3. Step 3: Cross multiply
    7,377.81x = 11,068.34 × 4,095.69
  4. Step 4: Simplify right side
    7,377.81x = 45,332,468.98
  5. Step 5: Solve for x
    x = 45,332,468.98/7,377.81
  6. Step 6: Final answer
    x = 6,144.43

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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.