Home / 10,324.80-15,480.24-4,085.52

Finding the Fourth Proportional to 10,324.80, 15,480.24 and 4,085.52

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Solution

The fourth proportional to 10,324.80, 15,480.24 and 4,085.52 is: 6,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.80 : 15,480.24 = 4,085.52 : x
  2. Step 2: Convert to fraction form
    10,324.80/15,480.24 = 4,085.52/x
  3. Step 3: Cross multiply
    10,324.80x = 15,480.24 × 4,085.52
  4. Step 4: Simplify right side
    10,324.80x = 63,244,830.12
  5. Step 5: Solve for x
    x = 63,244,830.12/10,324.80
  6. Step 6: Final answer
    x = 6,125.53

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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.