Home / 7,861.33-10,853.13-5,212.34

Finding the Fourth Proportional to 7,861.33, 10,853.13 and 5,212.34

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Solution

The fourth proportional to 7,861.33, 10,853.13 and 5,212.34 is: 7,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.33 : 10,853.13 = 5,212.34 : x
  2. Step 2: Convert to fraction form
    7,861.33/10,853.13 = 5,212.34/x
  3. Step 3: Cross multiply
    7,861.33x = 10,853.13 × 5,212.34
  4. Step 4: Simplify right side
    7,861.33x = 56,570,203.62
  5. Step 5: Solve for x
    x = 56,570,203.62/7,861.33
  6. Step 6: Final answer
    x = 7,196.01

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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.