Home / 10,235.24-15,347.34-3,657.80

Finding the Fourth Proportional to 10,235.24, 15,347.34 and 3,657.80

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Solution

The fourth proportional to 10,235.24, 15,347.34 and 3,657.80 is: 5,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.24 : 15,347.34 = 3,657.80 : x
  2. Step 2: Convert to fraction form
    10,235.24/15,347.34 = 3,657.80/x
  3. Step 3: Cross multiply
    10,235.24x = 15,347.34 × 3,657.80
  4. Step 4: Simplify right side
    10,235.24x = 56,137,500.25
  5. Step 5: Solve for x
    x = 56,137,500.25/10,235.24
  6. Step 6: Final answer
    x = 5,484.73

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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.