Home / 10,051.39-15,078.77-4,208.45

Finding the Fourth Proportional to 10,051.39, 15,078.77 and 4,208.45

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Solution

The fourth proportional to 10,051.39, 15,078.77 and 4,208.45 is: 6,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.39 : 15,078.77 = 4,208.45 : x
  2. Step 2: Convert to fraction form
    10,051.39/15,078.77 = 4,208.45/x
  3. Step 3: Cross multiply
    10,051.39x = 15,078.77 × 4,208.45
  4. Step 4: Simplify right side
    10,051.39x = 63,458,228.56
  5. Step 5: Solve for x
    x = 63,458,228.56/10,051.39
  6. Step 6: Final answer
    x = 6,313.38

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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.