Home / 9,015.09-13,513.51-4,328.25

Finding the Fourth Proportional to 9,015.09, 13,513.51 and 4,328.25

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Solution

The fourth proportional to 9,015.09, 13,513.51 and 4,328.25 is: 6,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.09 : 13,513.51 = 4,328.25 : x
  2. Step 2: Convert to fraction form
    9,015.09/13,513.51 = 4,328.25/x
  3. Step 3: Cross multiply
    9,015.09x = 13,513.51 × 4,328.25
  4. Step 4: Simplify right side
    9,015.09x = 58,489,849.66
  5. Step 5: Solve for x
    x = 58,489,849.66/9,015.09
  6. Step 6: Final answer
    x = 6,487.99

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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.