Home / 9,459.37-13,053.79-5,480.39

Finding the Fourth Proportional to 9,459.37, 13,053.79 and 5,480.39

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Solution

The fourth proportional to 9,459.37, 13,053.79 and 5,480.39 is: 7,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.37 : 13,053.79 = 5,480.39 : x
  2. Step 2: Convert to fraction form
    9,459.37/13,053.79 = 5,480.39/x
  3. Step 3: Cross multiply
    9,459.37x = 13,053.79 × 5,480.39
  4. Step 4: Simplify right side
    9,459.37x = 71,539,899.66
  5. Step 5: Solve for x
    x = 71,539,899.66/9,459.37
  6. Step 6: Final answer
    x = 7,562.86

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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.