Home / 8,400.10-11,593.26-5,424.59

Finding the Fourth Proportional to 8,400.10, 11,593.26 and 5,424.59

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Solution

The fourth proportional to 8,400.10, 11,593.26 and 5,424.59 is: 7,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.10 : 11,593.26 = 5,424.59 : x
  2. Step 2: Convert to fraction form
    8,400.10/11,593.26 = 5,424.59/x
  3. Step 3: Cross multiply
    8,400.10x = 11,593.26 × 5,424.59
  4. Step 4: Simplify right side
    8,400.10x = 62,888,682.26
  5. Step 5: Solve for x
    x = 62,888,682.26/8,400.10
  6. Step 6: Final answer
    x = 7,486.66

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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.