Home / 8,383.52-11,570.37-5,408.01

Finding the Fourth Proportional to 8,383.52, 11,570.37 and 5,408.01

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Solution

The fourth proportional to 8,383.52, 11,570.37 and 5,408.01 is: 7,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.52 : 11,570.37 = 5,408.01 : x
  2. Step 2: Convert to fraction form
    8,383.52/11,570.37 = 5,408.01/x
  3. Step 3: Cross multiply
    8,383.52x = 11,570.37 × 5,408.01
  4. Step 4: Simplify right side
    8,383.52x = 62,572,676.66
  5. Step 5: Solve for x
    x = 62,572,676.66/8,383.52
  6. Step 6: Final answer
    x = 7,463.77

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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.