Home / 10,511.35-14,505.75-5,795.80

Finding the Fourth Proportional to 10,511.35, 14,505.75 and 5,795.80

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Solution

The fourth proportional to 10,511.35, 14,505.75 and 5,795.80 is: 7,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.35 : 14,505.75 = 5,795.80 : x
  2. Step 2: Convert to fraction form
    10,511.35/14,505.75 = 5,795.80/x
  3. Step 3: Cross multiply
    10,511.35x = 14,505.75 × 5,795.80
  4. Step 4: Simplify right side
    10,511.35x = 84,072,353.32
  5. Step 5: Solve for x
    x = 84,072,353.32/10,511.35
  6. Step 6: Final answer
    x = 7,998.25

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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.