Home / 10,336.35-15,479.88-5,649.33

Finding the Fourth Proportional to 10,336.35, 15,479.88 and 5,649.33

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Solution

The fourth proportional to 10,336.35, 15,479.88 and 5,649.33 is: 8,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.35 : 15,479.88 = 5,649.33 : x
  2. Step 2: Convert to fraction form
    10,336.35/15,479.88 = 5,649.33/x
  3. Step 3: Cross multiply
    10,336.35x = 15,479.88 × 5,649.33
  4. Step 4: Simplify right side
    10,336.35x = 87,450,950.48
  5. Step 5: Solve for x
    x = 87,450,950.48/10,336.35
  6. Step 6: Final answer
    x = 8,460.53

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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.