Home / 7,511.74-10,365.89-4,108.70

Finding the Fourth Proportional to 7,511.74, 10,365.89 and 4,108.70

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Solution

The fourth proportional to 7,511.74, 10,365.89 and 4,108.70 is: 5,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.74 : 10,365.89 = 4,108.70 : x
  2. Step 2: Convert to fraction form
    7,511.74/10,365.89 = 4,108.70/x
  3. Step 3: Cross multiply
    7,511.74x = 10,365.89 × 4,108.70
  4. Step 4: Simplify right side
    7,511.74x = 42,590,259.87
  5. Step 5: Solve for x
    x = 42,590,259.87/7,511.74
  6. Step 6: Final answer
    x = 5,669.83

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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.