Home / 10,323.48-15,480.43-5,058.75

Finding the Fourth Proportional to 10,323.48, 15,480.43 and 5,058.75

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Solution

The fourth proportional to 10,323.48, 15,480.43 and 5,058.75 is: 7,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.48 : 15,480.43 = 5,058.75 : x
  2. Step 2: Convert to fraction form
    10,323.48/15,480.43 = 5,058.75/x
  3. Step 3: Cross multiply
    10,323.48x = 15,480.43 × 5,058.75
  4. Step 4: Simplify right side
    10,323.48x = 78,311,625.26
  5. Step 5: Solve for x
    x = 78,311,625.26/10,323.48
  6. Step 6: Final answer
    x = 7,585.78

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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.