Home / 10,271.48-15,403.44-3,695.90

Finding the Fourth Proportional to 10,271.48, 15,403.44 and 3,695.90

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Solution

The fourth proportional to 10,271.48, 15,403.44 and 3,695.90 is: 5,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.48 : 15,403.44 = 3,695.90 : x
  2. Step 2: Convert to fraction form
    10,271.48/15,403.44 = 3,695.90/x
  3. Step 3: Cross multiply
    10,271.48x = 15,403.44 × 3,695.90
  4. Step 4: Simplify right side
    10,271.48x = 56,929,573.90
  5. Step 5: Solve for x
    x = 56,929,573.90/10,271.48
  6. Step 6: Final answer
    x = 5,542.49

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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.