Home / 8,459.37-11,672.55-5,313.33

Finding the Fourth Proportional to 8,459.37, 11,672.55 and 5,313.33

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Solution

The fourth proportional to 8,459.37, 11,672.55 and 5,313.33 is: 7,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.37 : 11,672.55 = 5,313.33 : x
  2. Step 2: Convert to fraction form
    8,459.37/11,672.55 = 5,313.33/x
  3. Step 3: Cross multiply
    8,459.37x = 11,672.55 × 5,313.33
  4. Step 4: Simplify right side
    8,459.37x = 62,020,110.09
  5. Step 5: Solve for x
    x = 62,020,110.09/8,459.37
  6. Step 6: Final answer
    x = 7,331.53

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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.