Home / 10,649.20-15,973.84-3,722.08

Finding the Fourth Proportional to 10,649.20, 15,973.84 and 3,722.08

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Solution

The fourth proportional to 10,649.20, 15,973.84 and 3,722.08 is: 5,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.20 : 15,973.84 = 3,722.08 : x
  2. Step 2: Convert to fraction form
    10,649.20/15,973.84 = 3,722.08/x
  3. Step 3: Cross multiply
    10,649.20x = 15,973.84 × 3,722.08
  4. Step 4: Simplify right side
    10,649.20x = 59,455,910.39
  5. Step 5: Solve for x
    x = 59,455,910.39/10,649.20
  6. Step 6: Final answer
    x = 5,583.13

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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.